In this photo taken on Friday, July 14, 2017, a student at a paramilitary camp for children calls the rank to attention outside Kiev, Ukraine. As the deadly conflict in eastern Ukraine entered its third year, some parents in Ukraine are anxious to make sure their children are ready to fight it, instead of swimming and playing volleyball. (Photo by Efrem Lukatsky/AP Photo)

A gory fight to the death between snarling dogs and captured wild boars. Gathered around a bamboo-walled arena, Indonesians in this remote part of Java island seem eager to watch the blood-curdling contests, known locally as “adu bagong” (boar fighting). Not surprisingly, animal rights activists are up in arms against the regular spectacle, which began in the 1960s when wild pig numbers in this area in West Java soared and they were hunted to protect crops. Here: Women share a joke as they walk to a paddy field in Cikawao village of Majalaya, West Java province, Indonesia, October 12, 2017. (Photo by Reuters/Beawiharta)

Revellers take part in the Els Enfarinats festival, in the town of Ibi near Alicante, Spain, Saturday December 28, 2019. For about 200-years the inhabitants of Ibi annually celebrate with a battle using flour, eggs and firecrackers, outside the city town hall. (Photo by Alberto Saiz/AP Photo)

An actor dressed as a zombie performs during a drive-in haunted house show by Kowagarasetai (Scare Squad), for people inside a car in order to maintain social distancing amid the spread of the coronavirus disease (COVID-19), at a garage in Tokyo, Japan on July 3, 2020. A Japanese performance group is starting a run of drive-in horror shows for people who are scared of catching the coronavirus but still want to get close-up frights from ghouls and zombies. Audience members will drive into a garage in Tokyo, one car at a time, and listen to a murder story and sound effects blared out of speakers, as actors dressed as monsters bang on the side of the vehicle and spray fake blood over the windows. (Photo by Issei Kato/Reuters)

Vaccinators wear protective masks as they get their temperature checked, during an anti-polio campaign, in a low-income neighborhood as the spread of the coronavirus disease (COVID-19) continues, in Karachi, Pakistan on July 20, 2020. (Photo by Akhtar Soomro/Reuters)

A woman wearing a protection face mask walks past a mural of a dog in Shanghai, China, 03 September 2020. Daily life in Shanghai is returning to normal while many people still wear protection masks on the street, which are still mandatory in many shopping malls and other public places. (Photo by Alex Plavevski/EPA/EFE)

Normandie Amandine Petit (3rd R) celebrates after being elected Miss France 2021 in Puy du Fou, France on December 19, 2020. (Photo by Anthony Ghnassia/SIPA Press/Rex Features/Shutterstock)

An aircraft flies past sculptures of dinosaurs at the “Valley of Animals” park in Chandigarh, India on November 9, 2019. (Photo by Vijay Mathur/AFP Photo)