A girl bathes to cool off herself with water that is leaking from a broken pipe valve on a hot summer day on the outskirts of Ahmedabad, India, May 18, 2015. (Photo by Amit Dave/Reuters)
A country music fan cools off in the wind on the second day of the Stagecoach country music festival in Indio, California April 26, 2014. (Photo by Mike Blake/Reuters)
Festival goers splash through a muddy puddle at Worthy Farm in Somerset, on the third day of the Glastonbury music festival June 27, 2014. (Photo by Cathal McNaughton/Reuters)
Terashima Takeshi and Akaishi Kazuya of Japan block a shot from Indonesia during day one of the ISTAF Super Series at Palembang Sport Convention Center on February 23, 2012 in Palembang, Sumatra, Indonesia. (Photo by Nicky Loh/Getty Images for UFA Sports)
A Mapuche Indian child waves a Mapuche people flag during a protest march by Mapuche Indian activists against Columbus Day in downtown Santiago, Chile, October 12, 2015. (Photo by Ivan Alvarado/Reuters)
Palestinian schoolboys sit in the trunk of a car as they go to school on a rainy day in Khan Younis, in the southern Gaza Strip, October 7, 2015. (Photo by Ibraheem Abu Mustafa/Reuters)
A hippopotamus is sprayed with water on a hot summer day at Anna National Zoological Park in Chennai, India on April 26, 2017. (Photo by Arun Sankar/AFP Photo)
Students walk to school on the first day of their new school year in Giza, south of Cairo, Egypt September 25, 2016. (Photo by Mohamed Abd El Ghany/Reuters)