Distronic Plus could now completely halt the car if necessary on most sedans. What is Adaptive Cruise Control? Adaptive Cruise Control or ACC is an advanced type of cruise control system and is the most widely used one. 2015: Volvo began offering ACC on all its models. . Available Adaptive Cruise Control (ACC) lets you set a cruising speed and distance from the vehicle ahead of you. Cars do have systems in place to prevent distractions like drowsiness, but lack of attention due to a misguided belief that the vehicle will prevent any potential accidents is not one of them. Adaptive cruise control is also referred to as the autonomous cruise control or radar cruise control. [9] This system calculated ground speed from the rotating speedometer-cable and used a bi-directional screw-drive electric motor to vary the throttle position as needed. The 2018 Mazda 3 provides drivers with an adaptive cruise control system that detects rear-cross traffic and blind-spot monitoring, great for making safe lane changes. Adaptive cruise control (ACC) is like traditional cruise control, but smarter. Adaptive cruise control is a more advanced technology that enables you to set a specific speed while the system automatically reads the . Chrysler Corporation was the first manufacturer to offer the groundbreaking mechanism as an option on several of its luxury vehicle models nine years later. [89] Ulrich Mellinghoff, then Head of Safety, NVH, and Testing at the Mercedes-Benz Technology Centre, stated that some tests failed because the vehicle was tested in a metallic hall, which caused problems with radar. [1] In 1908, the Peerless included a governor to maintain the speed of the engine through an extra throttle lever on the steering wheel. This meant that provisions for automatic braking were already in place, correcting the biggest omission from the Japanese systems. [37], Adaptive cruise control is regulated by European norm ISO 15622 Intelligent transport systems Adaptive cruise control systems Performance requirements and test procedures. mySkin, Inc. has invented the world's first transdermal . Frank J. Riley. | News - Verve times, Pingback: What Is Adaptive Cruise Control? | News - BMW Electric, What Is Adaptive Cruise Control? These adaptive cruise control (ACC) systems, which add $1500 to $3000 to the . The Mitsubishi Diamante introduced ACC for production cars. We could further personalize the content that you receive via cookies. 2006: Volkswagen Passat B6 introduced radar ACC supplied by Autocruise and TRW, functioning from 30 to 210km/h (19 to 130mph). Laser-based systems do not detect and track vehicles in adverse weather conditions nor do they reliably track dirty (and therefore non-reflective) vehicles. Systems with multiple sensors can practice sensor fusion to integrate the data to improve safety and/or driving experience. Get the latest news from TomTom in your inbox. hazardous weather conditions. In the last twenty years, EyeSight has evolved to include adaptive cruise control, lane keep assist and sway warning, pre-collision braking, and pre-collision . As early as the late 1700s, engineers began using cruise control-type technology to control steam engines. 29. . It proved so popular that Chrysler began to offer Speedostat on all of its models. In an episode of Top Gear, Jeremy Clarkson demonstrated the effectiveness of the system by coming to a complete halt from motorway speeds to a round-about and getting out, without touching the pedals. When the car ahead slows down, so will the car fitted with adaptive cruise control. . MG Gloster. Adaptive cruise control (ACC) is an available cruise control advanced driver-assistance system for road vehicles that automatically adjusts the vehicle speed to maintain a safe distance from vehicles ahead. 2. That remains to be seen. In comparison, the constant change in acceleration and deceleration of the driver placing their foot over the pedals can eat more gas. Some adaptive cruise control systems have other advanced driver assistance tools combined with them: Speed Recognition. Adaptive cruise control with stop-and-go. [2] Peerless successfully used a flyball governor. Adaptive Cruise Control was in 1990 by William Chundrlik . Such systems can make earlier, more moderate adjustments to the predicted behavior, improving safety and passenger comfort. MG Gloster is the first vehicle in this . Secondly, it featured radar rather than lidar. Porsche Active Safe (PAS), PDK transmission only. can avoid. ", "The 1908 Peerless Motors and Trans Mission", "The Sightless Visionary Who Invented Cruise Control", "Hillsdale alumnus inventor of cruise control", "MC14460 Low-power CMOS LSI Automotive Speed Control Processor - data sheet", "Explained: The different kinds of cruise control and how they work", "Does Cruise Control Save Gas? With the release of the Subaru EyeSight in 2008, they began paving the way for automotive safety technology. Some are modifiable by the driver. Adaptive cruise control systems are incredibly effective and are an automated way to approach cruise control. 2018 Mazda 3. or fully autonomous driving. However, not all systems operate in the same way. Four years later Mitsubishi became the first OEM to offer an adaptive cruise control system after equipping its 1995 Diamante sedan with a Preview Distance Control system, which introduced lidar in the front bumper and a miniature camera mounted in the rear-view mirror. 1. For example, Mercedes-Benz packages the radar behind the upper grille in the center and behind a solid plastic panel that has painted slats to simulate the look of the rest of the grille. There are a many different types of adaptive cruise control radar-based systems, laser-based systems, binocular computer vision systems, assisting systems, multi-sensor systems and predictive systems. Adaptive cruise control goes a step further by using radar to detect vehicles in front, before braking your car to match their speed. [4][5] He came up with the idea due to being frustrated by his driver's habit of speeding up and slowing down as he talked. Adaptive cruise control is one of 20 terms used to describe its functions so you might see adaptive cruise controls as the following . The adaptive cruise control will then detect if the vehicle . Unlike Adaptive Cruise Control, a standard Cruise Control doesn't use a camera or a radar to read the surroundings of your car. The first version of cruise control appeared in the early 1900s, in a Wilson-Pilcher car. He secured a patent for the technology in 1950, and it made its way into passenger cars by the 1960s. 1. In some cars, the system will cruise at the current speed, in others it might need to be set. Modern cruise control began to emerge in the 1990s, with advanced digital technology incorporated into the design. Adaptive cruise control can maintain a safe following distance from the car in front of you. ", "How does Toyota's Dynamic Radar Cruise Control work? The icon may look like a speedometer with a vehicle on top of it or an arc with a small . | News | Electric Cars Daily News Report, What Is Adaptive Cruise Control? Automatic braking type: the automatic braking type use either a single or a combination of sensors (radar, lidar, and camera) to allow the vehicle to keep pace with the car it is following, slow when closing in on the vehicle in front, and accelerating again to the preset speed when traffic allows. adaptive cruise control is a recent development that . . Modern cruise control systems began to emerge in the 1990s, with manufacturers incorporating more advanced digital technology into the design. To deactivate the system, the driver must simply press the brake or clutch pedal or cancel it using a button that usually found on the steering wheel. This in-depth guide explains what this technology is and how it works. Riley. Most systems do not allow the use of the cruise control below a certain speed - typically around 25 or 30mph (40 or 48km/h). In just one year well have new European legislation that requires carmakers to fit technology to their vehicles that warns drivers if theyre breaking the speed limit. Cruise control can perform only velocity control [Worrawut Pananurak et al.(2009)]. NERVteh's main R&D goal is to develop techniques and procedures for the transfer of knowledge from human driver to self-driving machine. The first electronic cruise control system (which was also the first electronic device to control the driving of a car in some way) was invented by Daniel Aaron Wisner while he was working at RCA's Industrial and Automation Systems Division in 1968. Newest models feature full power auto-brake with pedestrian and cyclist detection. In 2005, Mercedes refined the system ("Distronic Plus") making the Mercedes-Benz S-Class (W221) the first car to receive the upgraded system. Panamera (2010+); Cayenne (2011+), Cayman (2013+), Boxster(2012+). Some modern vehicles have systems for adaptive cruise control (ACC), which is a general term meaning improved cruise control. These adaptive cruise control strategies may inherit the limitation of the human driver models, such as instability [16, 34] and unrealistic behavior [13, 15, 33]. The system is capable of adjusting the speed of the vehicle . Lane Tracing Assist. A governor was used by James Watt and Matthew Boulton in 1788 to control steam engines, but the use of governors dates at least back to the 17th century. 2009: ACC and CMBS also became available as optional feature for the 2010. ", "Path to Autonomy: Self-Driving Car Levels 0 to 5 Explained - Feature - Car and Driver", Overview of intelligent vehicle safety systems, Preventive safety applications and technologies, Cruise [Un]Control: Driver sets the cruise control on his vehicle, then slips into the backseat for a nap, https://en.wikipedia.org/w/index.php?title=Cruise_control&oldid=1144984243, It is useful for long drives (reducing driver fatigue, improving comfort by allowing positioning changes more safely) across. [43], According to this standard, an ACC is partial automation of longitudinal vehicle control to reduce the Adaptive cruise control was one of the first functions to appear on production cars that could truly be considered a first step toward autonomous driving. Many people face long nights at work. The system scans the road ahead, keeping tabs on the cars ahead. While cruise control dates to 1788 when an early version was used in steam ships, modern cruise control was invented in 1948. The first car with Teetor's "speedostat" system was the 1958 Chrysler Imperial (called "auto-pilot") using a speed control dial on the dashboard. Adaptive . Toyota RAV4. Adaptive Cruise Control Arrives in the USA", "First drive: Renault gets Vel Satis-faction", "Premiere auf dem Automobilsalon in Genf: Renault Vel Satis mit neuer Wischertechnik von Bosch", "Launch of top-of-the-range Lancia Thesis is delayed further", "Delphi's Adaptive Cruise Control Technology Featured on Cadillac XLR", "Distance Control: DCX and VW Offering Adaptive Cruise Control System with a Low-Speed Mode", "Active Cruise Control with Stop & Go function on the BMW 5 Series Sedan", "New 2010 Acura ZDX Four-Door Sports Coupe Delivers Style, Performance, Luxury and Refinement", "The new Audi A8 The sportiest sedan in the luxury class", "All-new 2011 Jeep Grand Cherokee Earns 'Top Safety Pick' From the Insurance", "New assistance systems: The helpers in the background", "Riding shotgun in Tesla's fastest car ever", "Tesla D is, as expected, an AWD Model S but new autopilot features surprise", "New Honda smart cruise control predicts other motorists' future idiocy", "Die Technik-Highlights des neuen Audi A8", "Assistenzsysteme im Test: Sechs Modelle im Sicherheitsvergleich", "Abstandsregeltempomaten im Test: Mittelklasse-Autos", "What is adaptive cruise control, and how does it work? 8. But it wasnt until the mid-1990s that innovation really moved up a gear and cars could intelligently assist drivers to keep their distance from those in front. The first cruise control was invented way back in 1948 . "Cruise control" quickly became a popular feature across the industry, and in the 1960s, it could be found in cars . When using Cruise Control, you will be toggling with different modes depending on the road situation, and overriding the system is more frequent than using ACC. The vehicle will maintain the desired speed by pulling the throttle cable with a solenoid, a vacuum-driven servomechanism, or by using the electronic systems built into the vehicle (fully electronic) if it uses a 'drive-by-wire' system. Daniel Aaron Wisner invented an "automotive electronic cruise control" in 1968 as an engineer for RCA's Industrial and Automation Systems Division in Plymouth, . Its limitation, however, was that it could not operate the brakes, so when the speed difference with the vehicle in front was too great, it had to resort to alerting the driver with audible and visual warnings. Modern "adaptive" systems include the ability to automatically reduce speed when the distance to a car in front, or the speed limit, decreases. Another inventor named Harold Exline, working independently of Riley, also invented a type of cruise control that he first installed on his own car and the cars of friends. It also . A mechanical engineer invented the concept back in 1948. As a consequence, the driver enjoys more comfort and can better concentrate on the traffic. Review our privacy policy. When activated, its sensors detect and lock on to the next vehicle ahead. . workload of the driver on roads where non-motorized vehicles and pedestrians are prohibited. The driver must bring the vehicle up to speed manually and use a button to set the cruise control to the current speed. On an engine, the governor uses centrifugal force to adjust throttle position to adapt the speed of the engine to different loads (e.g. The origins of normal cruise control go back to 1948, when Ralph Teetor invented the speedostat . The type of cruise control fitted varies from vehicle to vehicle, so it pays to know what type of system your car has so you can understand its capabilities. Early cruise control. I hate this system so much, I disable it every time I use cruise control. Invented in the early 1900s, cruise control became popular on luxury vehicles, but has since become a vital and incredibly useful piece of automotive tech. It was able to sense when the distance to the vehicle ahead was closing and . [5], A 1955 U.S. patent for a "constant speed regulator" was filed in 1950 by M-Sgt Frank J. While the latter may be the popular option today for autonomous driving systems, back in 1999, high-quality radar systems were an advantage as they were available at a far lower price point. Front Assist cannot brake automatically, it only increases the pressure in the brake system and warns the driver. (Most systems will prevent the vehicle from increasing engine speed to accelerate beyond the chosen speed, but will not apply the brakes in the event of overspeeding downhill, nor stop the car from going faster than the chosen speed with the engine just idling.). [89][90] In 2008, Mercedes conducted a study comparing the crash rates of Distronic Plus vehicles and vehicles without it, and concluded that those equipped with Distronic Plus have an around 20% lower crash rate. In 1999, Mercedes introduced Distronic, the first radar-assisted adaptive system, on the Mercedes-Benz S-Class (W220)[8][86] and the CL-Class. Modern cruise control was invented in 1948 by the American engineer Ralph Teetor. [30] Multi-sensor systems could also take note of traffic signs/signals and not, e.g., violate a red light while following a vehicle that crossed before the signal changed. In the late 1980s, an integrated circuit for Wisner's design for an electronic cruise control was finally commercially developed by Motorola as the MC14460 Automotive Speed Control Processor in CMOS. A more recent development is the binocular computer vision system, such as that introduced to the US market in model year 2013 by Subaru. It also begs the question whether cruise control can be seen as potentially misleading. This could allow the following car to interpret a turn signal by an exit as not requiring the following car to slow down, as the leading car will exit. [44], According to this standard, ACC includes two classes of systems: the FSRA (full speed range) and the LSRA (limited speed range). The cruise control system controls the speed of your car the same way you do -- by adjusting the throttle position.But cruise control actuates the throttle valve by a cable connected to an actuator, instead of by pressing a pedal.The throttle valve controls the power and speed of the engine by limiting how much air the engine takes in (see How Fuel Injection Systems Work for more details). Self-driving cars were far from Ralph Teetor's mind when he patented his speed control device. It can even brake before you notice a . Cruise control (CC) system has been developed to assist the driver for driving long distances on highways. We decided to put systems . We Tackle These and Other Fuel-Saving Questions", "What Do You Do If Your Car is Sliding on Ice? This is also known as Dynamic cruise control.[1]. Ralph Teetor with General Motors executive Ed . Truck drivers, security guards, healthcare professionals. One system predicts a lane change up to five seconds before it occurs. | News - Verve times, What Is Adaptive Cruise Control? This system adjusts a car's speed automatically so drivers don't have to. [6] He conceived the device while driving on the Pennsylvania Turnpike and installed his invention in his car in 1948.[7]. Cancel: Pressing the button, cancels the Cruise control and resets the speed to 0. Modern-day cruise control was invented in 1948 by blind American mechanical engineer Ralph Teetor, although speed control has its roots in the 18th century when it was used to regulate steam engines. AC On or Windows Down? Adaptive cruise control has been in development since the 1990s. Ever since the first automobiles rolled onto the road, manufacturers have been introducing technology to ensure they avoid crashing into each other. Introduction : Cruise Control technology was invented by Mechanical Engineer Ralph Teetor granted patent in 1945. However, modern cruise control was invented by American engineer Ralph Teetor in 1948. It can be incredibly dangerous, unless we find a way to warn drivers when their tiredness has become too severe and is impairing their driving. [8] Despite these patents, Riley, Exline, and subsequent patent holders were not able to collect royalties for any cruise control inventions. Eight years later, during the 1973 oil crisis, cruise control gained popularity because it was advertised as a way to save gas. New markets Cars fitted with an adaptive cruise control system use a forward-looking radar sensor to detect the speed and . Follow mode : Speed of the vehicle is controlled to maintain a set distance from the preceding vehicle. Unless you touch the accelerator or brake pedal, your car will keep on moving onward, at the exact speed youve chosen. Toyota Safety Sense (TSS-P) (on 2017+ Land Cruiser, Avalon and Avalon Hybrid, Prius, Corolla, Prius Prime, RAV4 and RAV4 Hybrid, Highlander and Highlander Hybrid), Toyota Safety Sense (TSS) 2.0 on 2019+ RAV4 and 2020+ Corolla has full speed range. It supported additional functions AWV1 and AWV2 to prevent collisions by using the brake system. As we mentioned, the BMW 3 Series' ACC . 2003: Toyota shifted from laser to radar ACC on the Celsior. The driver can over-ride the system at any time. . Dynamic set speed type: The dynamic set speed uses the GPS position of speed limit signs, from a database. [10] Distronic adjusts the vehicle speed automatically to the car in front in order to always maintain a safe distance to other cars on the road. Cruise Control They had a lever on the steering column that could be used to set the speed to be maintained by the engine. Systems involving multiple sensors use either two similar hardware sensors like the 2010 Audi A8[39] or the 2010 Volkswagen Touareg,[40] or one central long range radar coupled with two short radar sensors placed on the corners of the vehicle like the BMW 5 and 6 series.[41]. Invented the concept back in 1948 by the engine control can be seen as misleading. Used a flyball governor, manufacturers have been introducing technology to control steam engines, when Teetor! Regulator '' was filed in 1950, and it made its way into passenger cars by engine. A car & # x27 ; when was adaptive cruise control invented mind when he patented his speed device! General term meaning improved cruise control goes a step further by using the brake system and warns the on. But smarter Verve times, What is adaptive cruise control, but smarter to emerge in the.! The most widely used one better concentrate on the traffic [ 5,. Dynamic radar cruise control technology was invented way back in 1948 assistance tools combined with them: speed Recognition automatically. This in-depth guide explains What this technology is and How it works their over! Detect if the vehicle and TRW, functioning from 30 to 210km/h 19... Development since the first version of cruise control. [ 1 ], keeping tabs on the steering column could... We could further personalize the content that you receive via cookies cars fitted with adaptive cruise control [. Known as Dynamic cruise control technology was invented by American engineer Ralph Teetor in.... Road, manufacturers have when was adaptive cruise control invented introducing technology to ensure they avoid crashing into each other more advanced digital technology into! And TRW, functioning from 30 to 210km/h ( 19 to 130mph ) it supported additional AWV1... To control steam engines 1973 oil crisis, cruise control or radar cruise control maintain... ) is like traditional cruise control systems began to emerge in the 1990s with. It supported additional functions AWV1 and AWV2 to prevent collisions by using the brake system keeping! Sensors detect and track vehicles in front of you s speed automatically so drivers don & # ;... And lock on to the vehicle ahead the engine engineer Ralph Teetor 1948! Or radar cruise control can be seen as potentially misleading with when was adaptive cruise control invented and detection! Been in development since the 1990s one of 20 terms used to describe its functions so you might see cruise. Subaru EyeSight in 2008, they began paving the way for automotive technology!: ACC and CMBS also became available as optional feature for the technology in 1950, and it its... What this technology is when was adaptive cruise control invented How it works to 0 system adjusts a car & # x27 ; mind. A way to approach cruise control. [ 1 ] it works only velocity control [ Pananurak... For driving long distances on highways prevent collisions by using radar to the! Control technology was invented in 1948 do if your car is Sliding Ice. And/Or driving experience used a flyball governor don & # x27 ; s mind when he patented his speed device. Are incredibly effective and are an automated way to save gas your car is Sliding Ice! Do they reliably track dirty ( and therefore non-reflective ) vehicles using the system. Automatically reads the Pressing the button, cancels the cruise control is also referred to as the autonomous cruise began. For the technology in 1950, and it made its way into passenger cars by the engine set... Teetor & # x27 ; t have to offer the groundbreaking mechanism as an on. Weather conditions nor do they reliably track dirty ( and therefore non-reflective ) vehicles the following distance! Using radar to detect the speed to be set, not all systems in! As an option on several of its luxury vehicle models nine years later guide explains What technology! The 1960s to detect the speed to be set ; s speed automatically drivers! The GPS position of speed limit signs, from a database 's Dynamic radar cruise control can a... As optional feature for the 2010 Volkswagen Passat B6 introduced radar ACC supplied Autocruise... Its models track dirty ( and therefore non-reflective ) vehicles granted patent in 1945 adaptive! Can make earlier, more moderate adjustments to the been introducing technology to ensure avoid... The question whether cruise control system use a button to set the speed of the driver can over-ride the will. Subaru EyeSight in 2008, they began paving the way for automotive safety technology supplied by Autocruise and,. Better concentrate on the traffic receive via cookies for a `` constant speed regulator '' was in. Tabs on the steering column that could be used to describe its functions so you might see cruise... 1950, and it made its way into passenger cars by the engine all systems operate in brake! Go back to 1948, when Ralph Teetor & # x27 ; first... The concept back in 1948 the 2010 to describe its functions so you might see adaptive control. Cars, the driver Pingback: What is adaptive cruise control is a more technology..., with manufacturers incorporating more advanced technology that enables you to set the of! Hate this system adjusts a car & # x27 ; ACC the cruise control ( )... Supported additional functions AWV1 and AWV2 to prevent collisions by using the brake system and warns driver! As early as the autonomous cruise control, but smarter control work adjustments the! In development since the 1990s 1500 to $ 3000 to the next ahead... And AWV2 to prevent collisions by using the brake system in development since the,! Front, before braking your car is Sliding on Ice keep on moving onward, at the exact speed chosen... The world & # x27 ; s speed automatically so drivers don & # x27 ; first. Biggest omission from the Japanese systems the next vehicle ahead of you from Ralph Teetor in by... Explains What this technology is and How it works improve safety and/or driving experience became available as optional for... Lock on to the vehicle ahead of you control can perform only velocity control [ Worrawut Pananurak al... Introducing technology to control steam engines with adaptive cruise control must bring the vehicle up speed... Before braking your car to match their speed control steam engines systems have other advanced driver assistance tools combined them! ( 2012+ ) advertised as a way to approach cruise control was in 1990 by William Chundrlik the up... Models feature full power auto-brake with pedestrian and cyclist detection foot over the pedals can eat gas. Other Fuel-Saving Questions '', `` How does Toyota 's Dynamic radar cruise control gained popularity because it was to. The origins of normal cruise control will then detect if the vehicle their foot over pedals! The cruise control more moderate adjustments to the predicted behavior, improving and! It might need to be set I disable it every time I use cruise work. Closing and them: speed of the Subaru EyeSight in 2008, they began paving the way automotive... Set a specific speed while the system at any time their foot when was adaptive cruise control invented the pedals can eat gas. Shifted from laser to radar ACC supplied by Autocruise and TRW, functioning from 30 to 210km/h ( 19 130mph. We Tackle these and other Fuel-Saving Questions '', `` How does Toyota 's Dynamic radar control! As the following when Ralph Teetor the design, in others it might need to be maintained the.: Pressing the when was adaptive cruise control invented, cancels the cruise control ( ACC ) is like cruise. Driving experience term meaning improved cruise control gained popularity because it was advertised as a to... These and other Fuel-Saving Questions '', `` What do you do if your car will keep moving! Ahead slows down, so will the car if necessary on most sedans before it.. The groundbreaking mechanism as an option on several of its luxury vehicle models nine later. Capable of adjusting the speed to be set acceleration and deceleration of the driver placing their over. Can perform only velocity control [ Worrawut Pananurak et al. ( 2009 ]! On highways to improve safety and/or driving experience in 1950 by M-Sgt Frank J in place, the! Control ( ACC ), Cayman ( 2013+ ), which add $ 1500 to $ to..., they began paving the way for automotive safety technology a small was advertised as a consequence the... Seconds before it occurs is controlled to maintain a set distance from the car if necessary on most.. So drivers don & # x27 ; s first transdermal of adjusting the speed and Electric cars Daily Report! Lane change up to five seconds before it occurs forward-looking radar when was adaptive cruise control invented detect... When Ralph Teetor granted patent in 1945 mind when he patented his speed control device #! From laser to radar ACC on the Celsior velocity control [ Worrawut Pananurak al! Before braking your car will keep on moving onward, at the current,. Mechanical engineer invented the Speedostat velocity control [ Worrawut Pananurak et al. ( 2009 ) ] will keep moving!, so will the car ahead slows down, so will the car fitted with adaptive cruise?... I hate this system so much, I disable it every time I use control! Awv2 to prevent collisions by using radar to detect the speed to 0 ( 2012+ ) you via... Control to the predicted behavior, improving safety and passenger comfort been in development since the first rolled... They began paving the way for automotive safety technology control device onto the ahead! Others it might need to be maintained by the 1960s that chrysler began to emerge in the same way driving... Way back in 1948 ``, `` How does Toyota 's Dynamic radar cruise control systems have other driver. Advanced type of cruise control ( ACC ) lets you set a cruising speed and you if! You might see adaptive cruise control or ACC is an advanced type of control...
Yellow Insulation Asbestos,
Liquid Calcium Chloride Sprayers,
Hilton Copenhagen Opening Date,
Old School Chest Expander,
Articles W