A woman reacts as anti-government protesters place a dead body on a stretcher after violence erupted in the Independence Square in Kiev, in this February 20, 2014 file photo. (Photo by Vasily Fedosenko/Reuters)

A Palestinian man argues with an Israeli soldier during clashes over an Israeli order to shut down a Palestinian school near Nablus, in the occupied West Bank, October 15, 2018. (Photo by Mohamad Torokman/Reuters)

Ryon Healy #25 of the Oakland Athletics is covered in water by Adam Rosales #16 after he hit a walk-off home run in the ninth inning against the Detroit Tigers at Oakland Alameda Coliseum on May 7, 2017 in Oakland, California. (Photo by Ezra Shaw/Getty Images)

A man who was set on fire by people accusing him of stealing during a rally against Venezuela's President Nicolas Maduro runs amidst opposition supporters in Caracas, Venezuela, May 20, 2017. (Photo by Marco Bello/Reuters)

North Korean soldiers march during a military parade marking the 105th birth anniversary of the country's founding father Kim Il Sung in Pyongyang, North Korea, April 15, 2017. (Photo by Damir Sagolj/Reuters)

A participant rests while people take part in the Mermaid Parade at Coney Island, in Brooklyn, New York, June 20, 2015. The annual parade, founded in 1983, seeks to bring mythology to life for residents, create confidence in the district and to allow artistic self-expression in public, according to the parade's website. (Photo by Eduardo Munoz/Reuters)

Former leader of Britain's UKIP party, Nigel Farage (C) reacts as he speaks with Italian-Swedish MEP Anna Maria Corazza Bildt (L) and British Journalist Rachel Johnson during a panel discussion at a conference on Brexit, at the Saatchi Gallery in London on February 19, 2019. The British government on Friday dismissed as a “hiccup” its latest parliamentary defeat over Brexit, saying it would press on with trying to renegotiate its EU divorce deal as exit day looms in just six weeks. (Photo by Tolga Akmen/AFP Photo)

An otter reaches for a snack from a customer at an otter cafe in Tokyo. Asian small-clawed otters are increasingly popular as novelty pets, particularly in Japan. Now international trade in the species may be banned. (Photo by Noriko Hayashi/The New York Times)