Russian honor guard soldiers warm up prior a rehearsal for the Victory Day military parade in St. Petersburg, Russia, Wednesday, May 3, 2017. The parade will take place at Dvortsovaya (Palace) Square on May 9, to celebrate 72 years after the victory in WWII. (Photo by Dmitri Lovetsky/AP Photo)

A couple takes a selfie as Hoa Binh hydroelectric power plant opens the flood gates after a heavy rainfall caused by Talas typhoon in Hoa Binh province, outside Hanoi, Vietnam July 20, 2017. (Photo by Reuters/Kham)

A performer takes part in the annual street parade, which is part of the Carnival of Cultures celebrating the multi-ethnic diversity of the city, in Berlin, Germany on May 20, 2018. (Photo by Hannibal Hanschke/Reuters)

Model Bella Hadid walks the runway for the Savage X Fenty Fall/Winter 2018 fashion show during NYFW at the Brooklyn Navy Yard on September 12, 2018 in Brooklyn, NY. (Photo by Kevin Mazur/Getty Images for Savage X Fenty)

An air raid drill at Seattle College caught students William Bates, left, and Edna Mae Farrell, right, while they were eating their lunch in the school café, but they simply took shelter under the table and continued eating in Seattle, Washington, March 17, 1942. Air raid wardens said 350 students left their classrooms and assembled in shelters within one minute in first at the college. (Photo by AP Photo)

(L-R) Taylor Hill, Jasmine Tookes, Elsa Hosk, and Adriana Lima walk the runway during the 2018 Victoria's Secret Fashion Show at Pier 94 on November 8, 2018 in New York City. (Photo by Kevin Mazur/WireImage)

A tamed hawk sits on a chair next to a participant during a traditional hunting contest in Almaty, Kazakhstan on December 1, 2018. (Photo by Pavel Mikheyev/Reuters)

A protester is sprayed with mace by riot police after throwing a chair through a window of a business during the second night of demonstrations after a not guilty verdict in the murder trial of former St. Louis police officer Jason Stockley, charged with the 2011 shooting of Anthony Lamar Smith, who was black, in St. Louis, Missouri, U.S., September 16, 2017. (Photo by Lawrence Bryant/Reuters)