Britain's Chris Froome, wearing the overall leader's yellow jersey, is followed by Spain's Alberto Losada, Italy's Vincenzo Nibali and Spain's Alejandro Valverde as they speed downhill during the seventeenth stage of the Tour de France cycling race over 161 kilometers (100 miles) with start in Digne-les-Bains and finish in Pra Loup, France, Wednesday, July 22, 2015. (Photo by Christophe Ena/AP Photo)

A competitor loses his shoe during the annual race on high heels during Gay Pride celebrations in the quarter of Chueca in Madrid, Spain, June 30, 2016. (Photo by Susana Vera/Reuters)

Farmer Franz Schaller rides on an ox called Napoleon during a traditional ox race in the southern Bavarian village of Muensing near Lake Starnberg, Germany August 28, 2016. (Photo by Michaela Rehle/Reuters)

People dressed in fifties-style outfits dance during the 23rd Rockin' Race Jamboree International Festival in downtown Torremolinos, near Malaga, southern Spain February 4, 2017. (Photo by Jon Nazca/Reuters)

Medics carry an injured at the explosion site in the busy center of Turkish capital, Ankara, Turkey, Sunday, March 13, 2016. The explosion is believed to have been caused by a car bomb that went off close to bus stops. News reports say the large explosion in the capital has caused several deaths and many casualties. (Photo by AP Photo)

Two terrified occupants of a Volkswagen Polo found themselves in the wrong place at the wrong time as the giant animal stooped down to rub itself against the vehicle's roof and bonnet. The incredible scene was captured by field guide and lodge manager Armand Grobler, 21, at Pilanesburg National Park in South Africa. (Photo by Armand Grobler/Barcroft Media)

Participants descend a hill in home- made vehicles during the 29 th Car Festival in Medellin, Antioquia department, Colombia, on November 18, 2018. (Photo by Joaquin Sarmiento/AFP Photo)

German carmaker Daimler's new Smart Fortwo car is seen on display during its world premiere in Berlin July 16, 2014. Daimler is betting that cooperation with Renault and the launch of models to tap growing demand for city cars may pave the way for its diminutive Smart brand to become profitable. Smart will add a new four-seater model to its lineup this year and upgrade the two-passenger Fortwo vehicle, raising hopes by the German group of boosting the brand's flagging sales. (Photo by Thomas Peter/Reuters)