Acid attack survivors wait in the back stage prior to participate in a fashion show titled “Beauty Redefined” organized by ActionAid Bangladesh in Dhaka, Bangladesh, March 7, 2017. Such horrific violence across South Asia is often prompted by insufficient dowries, rejection of advances or land disputes, disfiguring victims for life and ruining their prospects. (Photo by Mohammad Ponir Hossain/Reuters)

Frank A. Rinehart, a commercial photographer in Omaha, Nebraska, was commissioned to photograph the 1898 Indian Congress, part of the Trans-Mississippi International Exposition. More than five hundred Native Americans from thirty-five tribes attended the conference, providing the gifted photographer and artist an opportunity to create a stunning visual document of Native American life and culture at the dawn of the 20th century. Photo: Little Bird, Arapahoe, 1899. (Photo by Frank A. Rinehart)

Students from St Andrews University indulge in a tradition of covering themselves with foam to honour the “academic family” on the lower college lawn on October 23, 2017, in St Andrews, Scotland. (Photo by Jeff J. Mitchell/Getty Images)

The snaps show photographers from around the world, who are willing to do just about anything for the perfect picture – whether that be tussling with a seal or withstanding a sharp shove from an angry gorilla. Other brave snappers can be seen getting up close and personal with leopards and great white sharks as they persist in getting the ultimate wildlife shot. Here: Christophe Vasselin gets pushed over by a gorilla. (Photo by Christophe Vasselin/Caters News Agency)

Young girls perform in front of the monument to Soviet state founder Vladimir Lenin during the City Day celebrations in Yekaterinburg, Russia on August 19, 2017. (Photo by Maxim Shemetov/Reuters)

Fireworks explode around the London Eye wheel, the Big Ben clock tower and the Houses of Parliament to mark the beginning of the New Year in London, Britain, January 1, 2016. (Photo by Toby Melville/Reuters)

Jonny Simpson-Lee captures the moment these adorable pooches dove head first into a pool. Here: A Golden Labrador jumps for a tennis ball baring his teeth. (Photo by Jonny Simpson-Lee/Caters News Agency)

Singer Ariana Grande performs during the 2014 MTV Europe Music Awards at the SSE Hydro Arena in Glasgow, on November 9, 2014. (Photo by Toby Melville/Reuters)