A boy dances as he and others participate during the 4th Delhi Queer Pride 2011 March on November 27, 2011 in New Delhi, India. India's Lesbian, Gay, Bisexual and Transgender (LGBT) community celebrated the 4th Delhi Queer Pride March with a parade through the streets of Delhi. People gathered to protest violence, harassment and discrimination faced by the LGBT community in India. (Photo by Daniel Berehulak/Getty Images)

Members of the English Defence League (EDL) take part in a demonstration through the streets of Leicester on February 4, 2012 in Leicester, England. Up to two thousand members of the EDL gathered in the centre of Leicester as an opposing demonstration by anti-fascists held their protest nearby. (Photo by Christopher Furlong/Getty Images)

Hundreds of Nigerians celebrate at an intersection in the flashpoint northern city of Kaduna on March 31, 2015 the victory of main opposition All Progressives Congress (APC) presidential candidate Mohammadu Buhari. (Photo by Nichole Sobecki/AFP Photo)

Revelers throw colored corn starch into the air as they celebrate the 2015 Holi (Festival of Colors) at the Krishna Temple in Spanish Fork, Utah on Saturday, March 28, 2015. (Photo by Rick Bowmer/AP Photo)

A racegoer uses the camera on her phone to check her hair on the opening day of the Grand National Festival at Aintree Racecourse on April 3, 2014 in Aintree, England. The three days of racing attracts thousands of racegoers and fans from across the world. The meeting culminates with millions of pounds being wagered on the runners taking part in Europe's richest jump race, the Grand National. (Photo by Christopher Furlong/Getty Images)

Paint splattered police officers look on during clashes outside Top Shop on Oxford Street, during marches in protest at government cuts on March 26, 2011 in London, England. Thousands are taking part in the Trades Union Congress (TUC) organised march to Hyde Park where a rally will take place. Police say they are deploying 4500 officers. (Photo by Dan Kitwood/Getty Images)

Harris & Ewing Inc. photographed people, events, and architecture, particularly in Washington, D.C., during the period 1905-1945. Photo: Tests of Curtiss Palne for Army, Single Control. Created by Harris & Ewing. Published in 1912.

“Sniff out the Appenzell Cheese”. Alexander Hunter, 30, of Greenwich, Conn., took this photo in Appenzell, Switzerland, in September 2014. (Photo by Alexander Hunter)