A Chelsea Pensioner poses as he views displays through a floral design of Britain's Queen Elizabeth at the Chelsea Flower Show in London, Britain, May 23, 2016. (Photo by Toby Melville/Reuters)

Demonstrators take part in a protest aimed at showing London's solidarity with the European Union following the recent EU referendum, inTrafalgar Square, central London, Britain June 28, 2016. (Photo by Dylan Martinez/Reuters)

A demonstrator kicks a riot police vehicle during an unauthorized march called by the Chilean student federations to protest against government's education reform, in Santiago, Chile July 5, 2016. (Photo by Ivan Alvarado/Reuters)

A tribal Fulani man milks a cow at a local milk collecting centre in Dangwala Karfi village on the outskirts of Nigeria's northern city of Kano January 19, 2016. (Photo by Akintunde Akinleye/Reuters)

A model wears a creation for Stephane Rolland's Spring-Summer 2016 Haute Couture fashion collection presented in Paris, Tuesday, January 26, 2016. (Photo by Francois Mori/AP Photo)

Hotel guides jump as they pose for pictures outside the Great Hall of the People during the opening session of the National People's Congress (NPC) in Beijing, China, March 5, 2016. (Photo by Aly Song/Reuters)

Erika Kinsey of Sweden reacts after missing a jump in the women's high jump final during the IAAF World Indoor Athletics Championships in Portland, Oregon March 20, 2016. (Photo by Mike Blake/Reuters)

An empty cell block is pictured within Joint Task Force Guantanamo's Camp VI at the U.S. Naval Base in Guantanamo Bay, Cuba March 22, 2016. (Photo by Lucas Jackson/Reuters)