MELBOURNE, AUSTRALIA - OCTOBER 22: A Competitor jumps infront of a rainbow during the Australasian Supercross Championship at Melbourne Knights Stadium on October 22, 2011 in Melbourne, Australia. (Photo by Quinn Rooney/Getty Images)
Dancers perform a routine at the Renault display at the Beijing International Automotive Exhibition in Beijing, Tuesday, April 26, 2016. (Photo by Mark Schiefelbein/AP Photo)
A Polish Army tank takes part in the NATO Noble Jump exercise on a training range near Swietoszow Zagan, Poland, Thursday, June 18, 2015. (AP Photo/Alik Keplicz)
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)