Two guards perform an execution in China, one holding the gun, the other holding a mask over the victim's face. (Photo by General Photographic Agency/Getty Images). Circa 1925

Commuters ride on the roof of a Jakarta state rail train at Cawang train station on January 27, 2012 in Jakarta, Indonesia. (Photo by Ulet Ifansasti/Getty Images)

A woman plays with a kitten inside of a line house in downtown Shanghai April 12, 2015. (Photo by Carlos Barria/Reuters)

A Ukrainian serviceman is seen at his position on the front line in Krasnogorivka near Donetsk, Ukraine, August 12, 2016. (Photo by Gleb Garanich/Reuters)

チャラン・ポ・ランタン (Charan-Po Rantan) – フランスかぶれ （ちょっとだけショートヴァージョン）

Opera singers perform in the pool “AquAria PALAOA” during a rehearsal at the swimming pool Neukoelln on April 27, 2011 in Berlin, Germany. The premiere of the underwater opera AquAria PALAOA is on May 1st. (Photo by Andreas Rentz/Getty Images)

French First Lady Carla Bruni-Sarkozy, who is pregnant, welcomes the spouses of heads of state at at Le Ciro's Resaturant on the second day of the G8 Summit on May 27, 2011 in Deauville, France. (Photo by Sean Gallup/Getty Images)

Lady Gaga performs on ABC's “Good Morning America” at Rumsey Playfield, Central Park on May 27, 2011 in New York, United States. (Photo by Andrew H. Walker/Getty Images)