Tibetan students play at a class break at the Xiangnong primary school on April 15, 2005 in Kangding County of Ganzi Tibetan Autonomous Prefecture, Sichuan Province, southwest China. There is only one teahcer in the Tagong Village, 12 Tibetan students get free education from him in Xiangnong primary school. (Photo by China Photos/Getty Images)

Musicians from the Academy of Contemporary Music play using instruments made of car parts during a photocall on April 16, 2008 in London, England. Ford's unique orchestra made up entirely of Ford Focus car parts. (Photo by Daniel Berehulak/Getty Images)

Revellers celebrate during the “Bloco da Lama”, a mud carnival, in Paraty, Brazil, on February 10, 2018. “Bloco da Lama” started in 1986 by teenagers playing with mud and became a traditional event at the historical city of Paraty. (Photo by Mauro Pimentel/AFP Photo)

A person dressed as the Krampus performs during the 9th Krampus meeting show in Serfaus, Tyrol, Austria, 12 November 2016. Several thousand people watched the parade of about 27 artists groups from Austria and South Tyrol, Italy. The Krampus is a folklorical figure who, during the Christmas season, punishes children who have misbehaved. (Photo by Christian Bruna/EPA)

A busy rush hour sees thousands of commuters climbing on board a train – as well as holding onto its sides and sitting on the roof before it speeds off. Men, women and children climb and are pulled up onto the roof of the train, which is around 12ft (3.6m) high, as they try to find themselves a space. With no seats available inside, many commuters decide to take the risk and choose a rooftop view for their journey out of Dhaka city, in Bangladesh. (Photo by Yousuf Tushar/Solent News & Photo Agency)

11-year-old Balinese dancer girl Intan puts on makeup before she performs Mergapati Dance at a village event in Banjar Wangaye Kelod, Denpasar, Bali, Indonesia on November 19, 2017. To preserve traditional dances and culture, Balinese train their children to learn various traditional dances from childhood. (Photo by Mahendra Moonstar/Anadolu Agency/Getty Images)

An albino woman adjusts her costume backstage as she and others wait for their fashion show during the Mr. & Miss Albinism East Africa contest in Nairobi, Kenya, 30 November 2018. Hudreds of abino men, women and children participated in the contest to raise awareness on discrimination and stigma against albinism in the region. (Photo by Dai Kurokawa/EPA/EFE)

Stormtrooper Jacob French is pictured on day 5 of his over 4,000 kilometre journey from Perth to Sydney approximately 25 kilometres from Mandurah on July 15, 2011 in Perth, Australia. French aims to walk 35-40 kilometres a day, 5 days a week, in full Stormtrooper costume until he reaches Sydney. French is walking to raise money for the Starlight Foundation - an organisation that aims to brighten the lives of ill and hostpitalised children in Australia. (Photo by Paul Kane/Getty Images)