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)

A man plays to the cameras as racegoers make their way home at the end of Ladies Day the second day of the Aintree Grand National Festival meeting on April 8, 2016 in Aintree, England. Today is Fabulous Friday and Ladies Day of the three-day meeting of the world famous Grand National Festival where fashion and dressing to impress is as important as the racing. (Photo by Christopher Furlong/Getty Images)

Olivia Love-Hatlestad of Grayslake, IL., stands during the second day of the Democratic National Convention at the Wells Fargo Center, July 26, 2016 in Philadelphia, Pennsylvania. An estimated 50,000 people are expected in Philadelphia, including hundreds of protesters and members of the media. The four-day Democratic National Convention kicked off July 25. (Photo by Drew Angerer/Getty Images)

Ballroom dancers Andrei Toader and Mia Linnik-Holden compete in the “North of England Amateur Ballroom Dancing” competition at the 49th British National Dance Championships, in the Empress Ballroom of Blackpool's Winter Gardens, in Blackpool, north-west England, on November 21, 2024. The four-day British National Dance Championships have been taking place since 1975 with dancers competing in Ballroom and Latin dancing disciplines. (Photo by Oli Scarff/AFP Photo)

People dressed in traditional costumes sing Christmas carols as they gather to celebrate Orthodox Christmas at a compound of the National Architecture museum in Kyiv, Ukraine on January 7, 2022. (Photo by Valentyn Ogirenko/Reuters)

Mali supporters cheer ahead of the Group F Africa Cup of Nations (CAN) 2021 football match between Mali and Mauritania at Stade de Japoma in Douala on January 20, 2022. (Photo by Charly Triballeau/AFP Photo)

A pedestrian waits for a bus in front of a “Living Wall” art project, produced in collaboration with The National Portrait Galler and the Earls Court Development Company, in west London on May 26, 2022. (Photo by Adrian Dennis/AFP Photo)

A view of the start of the 37th Gotland Grand National motocross race in Visby, Sweden on October 24, 2020. (Photo by Soren Andersson/TT News Agency via Reuters)