This picture taken on October 20, 2016 shows students practising wushu at the Tagou martial arts school in Dengfeng. China is investing hugely in football training and has vowed to have 50 million school- age players by 2020, as the ruling Communist party eyes “football superpower” status by 2050. (Photo by Nicolas Asfouri/AFP Photo)

A student from “the cliff village” in Atule'er climbs newly-constructed steel ladders after school to go home for holidays, in Liangshan Sichuan province, China, November 19, 2016. The steel ladders which replaced the unsafe vine ladders shortened the time taken for the children to go home, from three hours to two. (Photo by Reuters/Stringer)

This photo take on December 16, 2016 shows macaques monkeys playing on a motorbike in the grounds of a temple in Jaipur in the Indian state of Rajasthan. (Photo by Dominique Faget/AFP Photo)

Female Competitors pose onstage during the annual Mr. Korea competition on July 7, 2004 in Seoul South Korea. Mr. Korea, organized by the National Body Builder's Association, is one of the biggest bodybuilding competitions in Asia. (Photo by Chung Sung-Jun/Getty Images)

Aerial acrobat Schindler, notorious for his foolhardy stunts, practising one of his tricks listing out of the vertical, from a Klemp plane piloted by Richard Perlia. (Photo by General Photographic Agency/Getty Images). Circa 1927

Thai residents party after sunset in the water on a flooded street along the swollen Yom river August 24, 2011 Phinchit, Thailand. The death toll has climbed to over 37 as 13 provinces remain flooded with 1.5 million affected. In Phinchit 110,000 people's homes have been flooded by nearby overflowing rivers. (Photo by Paula Bronstein /Getty Images)

Former Ministry of Defence motorbikes (guide price £650 to £1250) being serviced ready for potential buyers on August 12, 2011 in Colsterworth, England. Witham LTD sells a variety of former MOD equipment and vehicles to foreign countries, domestic companies and private individuals. (Photo by Matthew Lloyd/Getty Images)