Two stags fight in a wildlife park in Aurach near Kitzbuehel, in the Austrian province of Tyrol. (Photo by Kerstin Joensson/Associated Press)

Devotees ride on the roof of a train as they return to the city after attending the final prayers on the first phase of Bishwa Ijtema in Dhaka January 11, 2015. Hundreds of thousands of pilgrims congregated in the Bangladeshi capital Dhaka as the first phase of this year's Bishwa Ijtema, one of the biggest Islamic gatherings in the world after the Haj in Saudi Arabia, came to an end. (Photo by Reuters/Stringer)

Anand Varma, a U.S. photographer working for the National Geographic, won the First Prize in the Nature Category, Stories, of the 2015 World Press Photo contest with his series of pictures, which includes this one of spores of a fungus landing on an ant, penetrating its exoskeleton and entering its brain, compelling the host to leave its normal habitat on the forest floor and scale a nearby tree, in this picture taken January 22, 2014 and released by the World Press Photo on February 12, 2015. (Photo by Anand Varma/Reuters/National Geographic/World Press Photo)

Swedish photographer Paul Hansen won the 2012 World Press Photo award Friday for newspaper Dagens Nyheter with a picture of two Palestinian children killed in an Israeli missile strike being carried to their funeral.

Photo: In this photo provided on Friday February 15, 2013 by World Press Photo, the 2013 World Press Photo of the year by Paul Hansen, Sweden, for Dagens Nyheter, shows two-year-old Suhaib Hijazi and her three-year-old brother Muhammad who were killed when their house was destroyed by an Israeli missile strike. Their father, Fouad, was also killed and their mother was put in intensive care. Fouad's brothers carry his children to the mosque for the burial ceremony as his body is carried behind on a stretcher in Gaza City, Palestinian Territories, November 20, 2012. (Photo by Paul Hansen/Dagens Nyheter/AP Photo)

An artist draws a tattoo on a woman's arm during a tattoo convention in Ljubljana April 18, 2015. (Photo by Srdjan Zivulovic/Reuters)

A solders in ceremonial attire sweats as he waits outside Suddhaisavarya Prasad Hall, in which Thailand's King Maha Vajiralongkorn scheduled to grant a public audience in Bangkok, Thailand, Monday, May 6, 2019. King Maha Vajiralongkorn was officially crowned amid the splendour of the country's Grand Palace, taking the central role in an elaborate centuries-old royal ceremony that was last held almost seven decades ago. (Photo by Gemunu Amarasinghe/AP Photo)

Opossums on their mothers back at a game reserve in Central Minnesota, USA, on September 2, 2013. (Photo by Caters News Agency)

A cat walks in front of the body of a man killed by unknown gunmen in Manila, Philippines early October 18, 2016. A sign on a cardboard found near the body reads, “Pusher Ako, Wag Tularan”, which translates to “I am a (drug) pusher, don't be like me”. (Photo by Damir Sagolj/Reuters)