Syrian fighters from the Turkish-backed National Liberation Front (NLF) fire a missile against regime positions on May 13, 2019 in the rebel-held northern part of Syria's Hama province. Clashes on the edge of a jihadist bastion in northwestern Syria have killed at least 42 fighters in 24 hours, a monitor said today, after regime bombardment on the region devastated health services. (Photo by Omar Haj Kadour/AFP Photo)

Triplet sisters Natalia, Irina and Tatiana Mironenko attend a rehearsal while preparing for examination performances staged by the graduates of the folk dance faculty of the Krasnoyarsk choreographic college in Krasnoyarsk, Russia May 13, 2019. All three 19-year-old sisters are expected to join the renowned Krasnoyarsk state academic dance ensemble of Siberia after the graduation. (Photo by Ilya Naymushin/Reuters)

A feminist activist uses a slingshot during a protest against gender violence and patriarchy in Santiago on November 29, 2019. Furious Chileans have since October 18 been protesting social and economic inequality, and against an entrenched political elite that comes from a small number of the wealthiest families in the country, among other issues. (Photo by Javier Torres/AFP Photo)

A man drinks a Frucola as a policeman chases demonstrators during a protest against Chile's government in Santiago, Chile on December 4, 2019. (Photo by Goran Tomasevic/Reuters)

Gymnast Valeria Kurochkina from Yekaterinburg performs during the Circus of Our Childhood festival at the Yekaterinburg Circus in Yekaterinburg, Russia on December 7, 2019. The festival marks the centenary of establishing state circuses in Russia. (Photo by Donat Sorokin/TASS)

Yeshiva School students briefly dance on Grant Street after the menorah lighting outside of the City-County Building for the fifth night of Hanukkah, Thursday, December 26, 2019, in downtown Pittsburgh. (Photo by Alexandra Wimley/Pittsburgh Post-Gazette via AP Photo)

Children take part in the “Carnavalito” children's parade during the Blacks and Whites Carnival in Pasto, Colombia, on January 2, 2018. (Photo by Juan Barreto/AFP Photo)

Woman dons a mask a she prepares to dance in the streets during the feast of La Diablada, in Pillaro, Ecuador, Friday, January 4, 2019. The town of Pillaro kicks off the feast of the La Diablada with neighborhoods competing to bring as many people dressed as different characters. (Photo by Dolores Ochoa/AP Photo)