Ukrainians pour water on each other on a street in Lviv, Ukraine, 02 May 2016. The tradition of pouring water was an ancient spring ritual of cleansing on first Monday after Orthodox Easter. (Photo by Mykola Tys/EPA)

Boys play with water as they celebrate Myanmar's New Year Water Festival of Thingyan in Yangon, April 13, 2016. (Photo by Soe Zeya Tun/Reuters)

Elephants spray tourists with water in celebration of the Songkran water festival in Thailand's Ayutthaya province, about 80 km (50 miles) north of Bangkok, April 9, 2014. (Photo by Rungroj Yongrit/EFE)

Giraffes doing the splits to get a drink of water from the watering hole at the Zimanga Private Game Reserve in South Africa on March 31, 2022. (Photo by Hendri Venter/Animal News Agency)

Photographer Martin Schoeller examines the visual nuances of twins. Schoeller was born in Munich, Germany in 1968, studied photography at Lette Verein in Berlin and lives in New York. (Photo by Martin Schoeller)

Nekama, a baby North Chinese leopard, emerges from a basket at her official presentation to the media at Tierpark zoo on March 15, 2011 in Berlin, Germany. Nekama was born on January 7, 2011 and currently weighs 4.5 kg.

Tokio Hotel fan Jennifer poses with Bill Kaulitz wax figure at Madame Tussauds on September 30, 2008 in Berlin, Germany. (Photo by Florian Seefried/Getty Images)

A young man leaps across stellae at the Memorial to the Murdered Jews of Europe, also called the Holocaust Memorial, on January 26, 2012 in Berlin, Germany. (Photo by Sean Gallup/Getty Images)