People hold up face masks with William Shakespeare's portrait during celebrations to mark the 400th anniversary of the playwright's death in the city of his birth, Stratford-Upon-Avon, Britain, April 23, 2016. (Photo by Dylan Martinez/Reuters)

A skier in a costume attempts to cross a pool of water at the foot of a ski slope while competing in the annual “Gornoluzhnik” amateur event marking the end of the ski season, at the Bobrovy Log ski resort in the suburbs of the Siberian city of Krasnoyarsk, Russia, April 16, 2017. (Photo by Ilya Naymushin/Reuters)

Venezuelan tattoo artist and body modifier Emilio Gonzalez (L) takes a picture of the eyeball tattoo on Eduardo Henriquez, 19, of Chile during the latin america convention of tattoo and suspension in Valparaiso city November 8, 2015. (Photo by Rodrigo Garrido/Reuters)

A seized weapon is destroyed by the authorities of the General Directive for the Control of Weapons and Munitions, (DIGECAM), in Guatemala City, December 17, 2015. Ninety-one seized weapons belonging to different criminal gangs will be destroyed by the DIGECAM authorities to follow up on a court order, according to the DIGECAM authorities. (Photo by Jorge Dan Lopez/Reuters)

A Thai mahout and his elephant, both dressed as Santa Claus pass in font of a large photograph of Thai King Bhumibol Adulyadej following a Christmas event at a school in the world heritage city of Ayutthaya, north of Bangkok, Thailand, 24 December 2015. The annual event is held to celebrate the Christmas season in the overwhelmingly Buddhist kingdom. (Photo by Diego Azubel/EPA)

An Indian soldier from the international peace keeping force (IPKF) instructs young Sri Lankan recruits in shooting, part of the training given to the citizen's volunteer force in the North-Eastern Sri Lankan city of Batticaloa, September 28, 1989. (Photo by Barbara Walton/AP Photo)

Vietnamese military personnel in traditional dress take part in a parade celebrating the 40th anniversary of the end of the Vietnam War which is also remembered as the fall of Saigon, in Ho Chi Minh City, Vietnam, Thursday, April 30, 2015. (Photo by Dita Alangkara/AP Photo)

People dance Tuesday, April 28, 2015, in Baltimore. Maryland's governor vowed there would be no repeat of the looting, arson and vandalism that erupted Monday in some of the city's poorest neighborhoods. (Photo by Matt Rourke/AP Photo)