Indian Air Force officers stretch before taking part in full dress rehearsal for India's Republic Day parade in Kolkata, January 23, 2018. (Photo by Rupak De Chowdhuri/Reuters)

A dog walks past a mural by street artist Alex Martinez outside a shop which sells bags at Psiri area, central Athens, on Thursday, January 25, 2018. (Photo by Petros Giannakouris/AP Photo)

A demonstrator confronts riot police during a rally in defense of the nationalization of lithium reserves in the country, in Santiago, Chile on January 29, 2018. (Photo by Pablo Sanhueza/Reuters)

“A Balinese man shows off his pride and joy, a fighting cock, while on a cigarette break after a morning’s work in nearby fields”. (Photo by Coltrane Koh/The Guardian)

A photographer tested the concentration of several pairs of dogs as he captured their reactions to treat time in a series of shots. Christian Vieler, 47, of Waltrop, Germany, has been a professional dog photographer since 2016. He came up with the idea of snapping two dogs catching treats simultaneously. Here: Basset Hounds. (Photo by Vieler Photography/Caters News Agency)

Dancers perform the traditional “Diablada” or Dance of the Devils during the Carnival in Oruro, Bolivia, Saturday, February 10, 2018. Thousands of colorfully dressed dancers and musicians kick off Carnival celebrations in the Bolivian city of Oruro. (Photo by Juan Karita/AP Photo)

Models present creations from the La Perla Autumn/Winter 2017 collection during New York Fashion Week in the Manhattan borough of New York, U.S., February 9, 2017. (Photo by Brendan McDermid/Reuters)

Recording artist Beyonce performs onstage during The 59th GRAMMY Awards at STAPLES Center on February 12, 2017 in Los Angeles, California. (Photo by Kevin Winter/Getty Images for NARAS)