Fifth-grade students of the General Yermolov Cadet School get prepared before their first military tactical exercise on the ground, which includes radiation resistance classes, forest survival studies and other activities, in Stavropol, Russia, September 10, 2016. Picture taken September 10, 2016. (Photo by Eduard Korniyenko/Reuters)

A group of around 400 demonstrators participate in a protest by burying their heads in the sand at Sydney's Bondi Beach November 13, 2014. Hundreds of protesters participated in the event, held ahead of Saturday's G20 summit in Brisbane, which was being promoted as a message to Australian Prime Minister Tony Abbott's government that, “You have your head in the sand on climate change”. (Photo by David Gray/Reuters)

A woman sorts tobacco leaves at the Cohiba cigar factory “El Laguito” in Havana September 10, 2012. (Photo by Desmond Boylan/Reuters)

Chinese women ride a bicycle together on a street September 10, 2014 in Beijing, China. (Photo by Kevin Frayer/Getty Images)

A dog jumps into the pool during the Flying Dogs competition in Kamnik, Slovenia, September 10, 2016. (Photo by Srdjan Zivulovic/Reuters)

People dance in a park on a foggy day in Huai'an, Jiangsu province, China October 10, 2017. (Photo by Reuters/China Stringer Network)

Lightning strikes above Perch Rock Lighthouse in Merseyside, North West England on August 10, 2020. (Photo by Bav Media/The Sun)

A couple kisses as they dance at a DJ party in Caracas, Venezuela, early Saturday, September 10, 2022. (Photo by Ariana Cubillos/AP Photo)