Sakia Corona, 8, (C) takes part in a rehearsal of the Contemporary Haitian Dance in a communal center in downtown Havana January 30, 2015. Nearly 25 people, from the Haitian Contemporary Dance Company Petit Fey or Small Leaf, in Haitian Creole, rehearse a play called Papa Guede for future presentations in Havana. (Photo by Alexandre Meneghini/Reuters)

A participant tries to tie a steer during the Russian Rodeo in the village of Kotliakovo, Bryansk region, southeast of Moscow, Russia, September 12, 2015. The competition was organised by privately held Miratorg, one of the leading Russia's meat producers, between the divisions of the agricultural holding. (Photo by Maxim Shemetov/Reuters)

Students attend a stewardess skill training for the upcoming 2017 entrance examination for art majors in colleges in Luoyang, central China's Henan Province, January 4, 2017. Along with how to stand, how to sit is also covered in these classes. (Photo by Li Bo/Xinhua/Barcroft Images)

In this November 28, 1966 file photo, one of the 10 beagles involved in the first test of the Veterans Administration Hospital in East Orange, N.J. smokes a cigarette through a machine linked to its windpipe by a plastic tube to test any link between smoking and emphysema. (Photo by AP Photo)

A catholic faithful smeared in burnt oil, takes part in the opening of the ten-day celebration of the Santo Domingo de Guzman festival in Managua, on August 1, 2019. In Central America the black devil, or El Cadejo, is an evil dog-like spirit with glowing red eyes that locals believe eats new born puppies. (Photo by Inti Ocon/AFP Photo)

“Family disagreement”. (Photo by Vlado Pirsa/Comedy Wildlife Photo Awards 2019)

Students from the University of St Andrews jump into The North Sea, as a good luck tradition before exams start on the East Sands in St Andrews, Fife, Scotland on May 1, 2018. (Photo by Derek Allan/Alamy Live News)

Young category winner. Great autumn morning by Fabian Dalpiaz. (Photo by Fabian Dalpiaz/2018 Astronomy Photographer of the Year)