Two elderly men smoking pipes of opium on a terrace in Korea. (Photo by Bert Hardy/Picture Post/Getty Images). August 1950

“Friedrich Christian Anton “Fritz” Lang (December 5, 1890 – August 2, 1976) was an Austrian-American filmmaker, screenwriter, and occasional film producer and actor. One of the best known émigrés from Germany's school of Expressionism, he was dubbed the “Master of Darkness” by the British Film Institute. His most famous films are the groundbreaking «Metropolis» (the world's most expensive silent film at the time of its release) and «M», made before he moved to the United States, his iconic precursor to the film noir genre”. – Wikipedia

Photo: Director Fritz Lang (right) and crew members inspect the robot from the film “Metropolis”, which is made to resemble the saintly Maria. (Photo by Hulton Archive/Getty Images). Circa 1926

Egyptian bootblacks cleaning a European's shoes in Cairo. (Photo by Hulton Archive/Getty Images). Circa 1870

Alligator trapper Mark Whitmire prepares an alligator he caught in a lagoon on a golf course to relocate it to a more natural environment in Orlando, Florida, U.S., June 19, 2016. (Photo by Carlo Allegri/Reuters)

Samba dancers perform during the annual Asakusa Samba Carnival in Tokyo, Japan August 27, 2016. Asakusa is a district in Taitō, Tokyo. The neighborhood is famous for its annual Brazilian style carnival. There is a significant Brazilian presence in the local community and the Association of Samba Schools of Asakusa is based there. (Photo by Kim Kyung-Hoon/Reuters)

Members of the Edo Firemanship Preservation Association balance on top of bamboo ladders during a demonstration at the New Year's fire review held by the Tokyo Fire Department in Tokyo, Japan, 06 January 2016. Some 2,800 firefighters perform various emergency rescue and firefighting demonstrations in an effort to promote the prevention of fire and disaster in the annual event. (Photo by Kiyoshi Ota/EPA)

Ben Thouard, 29, regularly dives into the crystal clear waters of Teahupoo, Tahiti's most famous surf break, to snap the empty waves. He stands in the water scouting out particular shapes and the right swell direction and shoots most of his pictures during the golden hours of sunrise and sunset. Here: A shot of a wave crashing down into the ocean in the clear waters of Teahupoo. (Photo by Ben Thouard/Caters News)

A Maasai man in ceremonial dress poses for visitors to take photographs of him in front of one of around a dozen pyres of ivory, in Nairobi National Park, Kenya Thursday, April 28, 2016. The Kenya Wildlife Service (KWS) has stacked 105 tons of ivory consisting of 16,000 tusks, and 1 ton of rhino horn, from stockpiles around the country, in preparation for it to be torched on Saturday to encourage global efforts to help stop the poaching of elephants and rhinos. (Photo by Ben Curtis/AP Photo)