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)

Wild elephants, including a tusker (C), rummage through garbage dumped at an open ground in the village of Digampathana in north- central Sri Lanka on August 19, 2017. Sri Lanka has banned the dumping of garbage at open fields and near wildlife reserves, but the practice continues. (Photo by Lakruwan Wanniarachchi/AFP Photo)

This photo taken on October 8, 2017 shows dancers posing in formation to celebrate the upcoming Party Congress, in Rongan in China' s southern Guangxi region. China will convene its 19 th Party Congress on October 18, state media said, a key meeting held every five years where President Xi Jinping is expected to receive a second term as the ruling Communist Party' s top leader. (Photo by AFP Photo/Stringer)

Military policemen take part in an operation at Cidade de Deus favela in Rio de Janeiro, Brazil, on February 01, 2018. (Photo by Mauro Pimentel/AFP Photo)

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)

A woman falls as police move in to disperse protesters in Trafalgar Square in London on September 26, 2020, at a “We Do Not Consent!” mass rally against vaccination and government restrictions designed to fight the spread of the novel coronavirus, including the wearing of masks and taking tests for the virus. (Photo by Justin Tallis/AFP Photo)

An Armenian serviceman fires a cannon towards Azerbaijan positions in the self-proclaimed Republic of Nagorno-Karabakh, Azerbaijan, Tuesday, September 29, 2020. (Photo by Sipan Gyulumyan/Armenian Defense Ministry Press Service/PAN Photo via AP Photo)

Mei Hoshizuki and AZM compete during the Women's Pro-Wrestling “Stardom” at Korakuen Hall on September 28, 2020 in Tokyo, Japan. (Photo by Etsuo Hara/Getty Images)