Students training to be flight attendants hold books on their heads, chopsticks in their mouths, and papers in between their knees, as they take part in a standing posture practice at a vocational school in Shijiazhuang, Hebei province, China May 4, 2017. (Photo by Reuters/Stringer)

Blaze, 8, from Swindon, is covered from head to toe as he plays in the mud at Weston-super-Mare beach on August 4, 2019, as the tide recedes and the huge expanse of mud flats cover the beach where holidaymakers enjoy splashing around. (Photo by Ben Birchall/PA Images via Getty Images)

People make their way on an algae-covered beach in Qingdao, Shandong province, China, July 19, 2015. (Photo by Reuters/Stringer)

The sun rises through the thick fog that covers the city of Frankfurt, Germany, Friday, November 12, 2021. (Photo by Michael Probst/AP Photo)

Afghan boys stand on a snow-covered street on the TV mountain in Kabul, Afghanistan on January 25, 2023. (Photo by Ali Khara/Reuters)

Goats covered with cloth are tied next to a hut on a cold winter morning in New Delhi on December 26, 2023. (Photo by Arun Sankar/AFP Photo)

Sеxy woman in lace eye cover and red lips with young lover, foreplay in hotel room. (Photo by sakkmesterke/Getty Images)