A dog from the K9 Division of the Sri Lanka Army’s Commando Regiment performs during an event to mark International Children’s Day at a school in Welisara, Colombo, Sri Lanka, 01 October 2016. Sri Lanka marks the Children's Day on 01 October with more emphasis on prevention of child abuse. (Photo by M.A. Pushpa Kumara/EPA)

Two Scottish shorthair cats dressed with red hats are pictured during a cat exhibition in Bishkek, on October 16, 2016. Cat lovers from Kyrgyzstan, Kazakhstan and Uzbekistan took part in the exhibition. (Photo by Vyacheslav Oseledko/AFP Photo)

Spanish soldiers of the 7th Airborne Light Infantry Brigade “Galicia” fire a howitzer Light Gun L118 during maneuvers with other units in preparation to NATO's Very High Readiness Joint Task Force (VJTF) in Zaragoza, Spain, April 19, 2016. (Photo by Javier Cebollada/EPA)

A group of students sit on top of a bus at Kemusu street in Boyolali, Central Java of Indonesia, March 20, 2015 in this picture taken by Antara Foto. (Photo by Yusuf Nugroho/Reuters/Antara Foto)

After model Giulia Salemi attended the Venice Film Festival in a dress that looked like she had forgotten her underwear The Sun adapted a dress and Anita Kaushik 24 from Southfields went out on the London streets to share her experience on September 5, 2016. (Photo by Stewart Williams/The Sun)

Sarah Bui poses for photographer, Brian Le around blossoming cherry trees, near the Tidal Basin on Thursday March 23, 2017 in Washington, DC. (Photo by Matt McClain/The Washington Post)

A picture taken with slow shutter speed shows members of the group “The Kattfiller” from Attendorn taking part during the Norddeutsche Championship carnivalesque dance sport in Kassel (Hessen), Germany, 28 February 2016. About 1,100 qualified dancers show in different disciplines their skills. (Photo by Swen Pfoertner/EPA)

Winner, photojournalism. Elephant in the room, by Adam Oswell, Australia Zoo. Visitors watch a young elephant performing underwater. Oswell was disturbed by this scene, and organisations concerned with the welfare of captive elephants say performances like this encourage unnatural behaviour. In Thailand, there are now more elephants in captivity than in the wild. With the Covid pandemic causing tourism to collapse, elephant sanctuaries are becoming overwhelmed with animals that can no longer be looked after by their owners. (Photo by Adam Oswell/Wildlife Photographer of the Year 2021)