Attendee Emily poses for a picture at 2017 Comic-Con International on July 20, 2017 in San Diego, California. (Photo by Mike Blake/Reuters)

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)

Passengers travel on the London train and underground system during the Christmas party season, December 18, 2015. (Photo by Paul Hackett/Reuters)

Policewomen take a picture inside a tunnel under the Chao Phraya river at a Mass Rapid Transit subway station in Bangkok, Thailand, December 14, 2015. (Photo by Athit Perawongmetha/Reuters)

A girl looks from her flooded house on the outskirt of Kota Bharu in Kelantan December 29, 2014. The worst flooding in Malaysia in more than a decade has killed 10 people and forced nearly 160,000 from their homes and more rain is expected, authorities said on Sunday. (Photo by Athit Perawongmetha/Reuters)

Women in yukatas, or casual summer kimonos, take their selfie in front of paper lanterns during the annual Mitama Festival at the Yasukuni Shrine, where more than 2.4 million war dead are enshrined, in Tokyo, Japan July 13, 2017. (Photo by Kim Kyung-Hoon/Reuters)

A North Korean war veteran is decorated with medals as he attends a parade to celebrate the anniversary of the Korean War armistice agreement, Sunday, July 27, 2014 in Pyongyang, North Korea. North Koreans gathered at Kim Il Sung Square as part of celebrations for the 61st anniversary of the armistice that ended the Korean War. (Photo by Wong Maye-E/AP Photo)

A man walks beside a “Wrinkles Of The City” creation near the Berlin cathedral in Berlin April 19, 2013. (Photo by Fabrizio Bensch/Reuters)