Dancers resting on the rooftop of the SKD Theatre Asakusa, Tokyo, 1949. (Photo by Tanuma Takeyoshi/The Guardian)

A junk boat sails in to dock as a woman sits on the pier in the central district of Hong Kong on May 15, 2019. (Photo by Isaac Lawrence/AFP Photo)

Ahmad Sayed Rahman, a five-year-old Afghan boy who lost his right leg when he was hit by a bullet in the crossfire of a battle, dances with his prosthetic leg at the International Committee of the Red Cross (ICRC) hospital for war victims and the disabled, in Kabul on May 7, 2019. (Photo by Wakil Kohsar/AFP Photo)

Iranian women sit in a bus in the capital Tehran on June 25, 2019. Iran's President Hassan Rouhani said today that new US sanctions against senior Iranian officials including top diplomat Mohammad Javad Zarif showed Washington is “lying” about an offer to negotiate. (Photo by Atta Kenare/AFP Photo)

A woman reacts to the sun coming out of the clouds during the annual Easter Parade and Bonnet Festival on Fifth Avenue in New York City, New York, U.S. April 21, 2019. (Photo by Stephanie Keith/Reuters)

A mahout splashes water on his elephant on a hot summer day in Ahmedabad, India on April 8, 2019. (Photo by Amit Dave/Reuters)

A US Marine leads two Viet Cong suspects in restraints during the Tet Offensive on February 20, 1967. (Photo by Bettmann Archive/Getty Images)

A migrant carries his belongings as he arrives at the Beijing railway station to catch a train in Beijing, Friday, February 13, 2015. (Photo by Andy Wong/AP Photo)