A cow covered with foam scavenges in the waste left on the banks of the polluted Yamuna river in New Delhi on October 10, 2020. (Photo by Sajjad Hussain/AFP Photo)

A participant wearing Kokoshnik, the Russian traditional headwear, walks out of the water during winter swimming festival in the town of Podolsk, south of Moscow, Russia January 5, 2017. (Photo by Maxim Shemetov/Reuters)

A woman walks inside a building in downtown Havana, Cuba April 21, 2016. (Photo by Alexandre Meneghini/Reuters)

Seth Casteel is an award-winning photographer and the New York Times Best Selling Author of Underwater Dogs. His new book, Underwater Puppies, was published September 16, 2014. Photo: “Underwater Puppies”: Popcicle. (Photo by Seth Casteel)

Attracting more than 450 entries from around the world, the winners are selected by a panel of expert judges including ZSL honorary conservation fellow and television presenter Kate Humble, and renowned ornithologist Bill Oddie. Here: Anoura Geoffroy’s tailless bat by Nicolas Reusens. The Perfect Moment category; Adult runner up. (Photo by Nicolas Reusens/ZSL Animal Photography Prize 2015)

Bollywood actress Chitrashi Rawat lies in a plastic drum as she is briefed by a crew member during the shoot for the film “Black Home” at a beach on the outskirts of Mumbai April 26, 2013. (Photo by Danish Siddiqui/Reuters)

South African model Candice Swanepoel walks the runway at the 2018 Victoria's Secret Fashion Show on November 8, 2018 at Pier 94 in New York City. (Photo by Matt Baron/Rex Features/Shutterstock)