A visitor tries a baccarat game at the Global Gaming Expo (G2E) Asia in Macau, China May 19, 2015. (Photo by Bobby Yip/Reuters)

Ariadne Ioannou attends the CARS 2 Germany Premiere at the Mathaeser Filmpalast on July 28, 2011 in Munich, Germany. (Photo by Hannes Magerstaedt/Getty Images)

Crashed cars in Finchley Road, north London. (Photo by Hulton Archive/Getty Images). May 1924

“Greyhound racing is a popular sport in Great Britain with attendances at around 3.2 million at over 5,750 meetings, across 26 stadia in 2007 alone. There are 25 licensed stadia in Britain, it is a Parimutuel betting tote system with on-course and off-course betting available, with a turnover of £75,100,000”. – Wikipedia

Photo: Pevensy Bugsy (L) wins the 8th race from Blanemore Razl (R) at the Coral Brighton and Hove Greyhound Stadium on March 21, 2012 in Brighton, England. (Photo by Mike Hewitt/Getty Images)

At first, British photographer Martin Usborne just wanted to do some reporting on people who leave their dogs locked up in cars. But as he went around scouring parking lots, “making barking noises to try and awaken sleeping dogs that were not actually there,” his project took on a new artistic direction. “The Silence of Dogs in Cars” was inspired by a “childhood memory of waiting in a car whilst his parents were shopping in a supermarket, and the youthful fear that they would not return.”

The beard of a skater, one out of some 1,100 athletes, is covered with ice and snow during the 200 km (124 miles) speed skating race in the Carinthian village of Techendorf January 30, 2015. Techendorf is hosting the Alternatieve Elfstedentocht Weissensee (Alternative Eleven City Races Weissensee) races, a traditional Dutch series of speed skating events for both professionals and amateurs with some 5,000 participants, until January 31, 2015. (Photo by Leonhard Foeger/Reuters)

Every year, in the Rostov region of Russia, a group of 40 young and not so young rural workers compete in the Bison Track Show, or more affectionately known as: Russian Flying Tractor Racing. In front of crowds numbering up to 30,000 people, a series of smoke spilling, monstrous farming machines tear round an 8km mud track, plowing through lakes and dirt mounds, their turbos screaming and tyres scrabbling to find grip.

In this July 17, 2015 photo, Michael Chilton squeezes into a corner of his car to make a quick repair to some body panels after he ran into a wall during dirt track racing in the late model division at the Ponderosa Speedway in Junction City, Ky. He banged up the car in the qualifying round and had a few minutes to fix it before the final race. (Photo by David Stephenson/AP Photo)