Young U.S. visitors pose for a photograph next to a vintage car in Havana March 16, 2016. (Photo by Ueslei Marcelino/Reuters)

Three young women preparing a guy. They are sitting him on a keg labelled “gun powder”. (Photo by Fox Photos/Getty Images). 1929

Father Christmas reading with three young children. (Photo by Spencer Arnold/Getty Images). Circa 1915

Pokot men carry a part of a carcass of a bull killed by a young man during an initiation ceremony in Baringo County, Kenya, January 20, 2016. Far from the bustling city of Nairobi, in an isolated corner of Kenya's Rift Valley, young men from the Pokot community spear a bull in a ceremony called Sapana that takes them into adulthood. (Photo by Siegfried Modola/Reuters)

These surfing penguins are making waves as they glide gracefully across the ocean.They are showcasing their talent as they arrive on the East Coast beach of New Island in the Falklands.The penguins are of the gentoo species, characterised by their bright orange bills and the distinctive white stripes on their heads. The dazzling images were captured by amateur photographer Shanu Subra, during a 26 day ecology expedition. Here: a lone penguin balancing cooly on a single foot as it catches a wave. (Photo by Shanu Subra/Solent News/SIPA Press)

It’s enough to make your head spin. The photographer Katherine Young set out to shoot spiral staircases in London, England to great effect, including this shot she calls the Downward Spiral Part III. (Photo by Katherine Young/Rex Features/Shutterstock)

Members of the Mayossa Folk Dance Group pour water on young women in Kiskunmajsa, some 140 kms southeast of Budapest, Hungary, Monday, April 2, 2018. According to a several hundred years old tradition of Hungarian villages young men pour water on young women who in exchange present their sprinklers with beautifully colored eggs on Easter Monday. (Photo by Sandor Ujvari/MTI via AP Photo)