Tsar Alexander II (1818–1881) known as “The Liberator” lying in state. He was mortally wounded by an assassination attack in St Petersburg. (Photo by Hulton Archive/Getty Images). March 1881

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

The internet has been awash with face swaps for years — here’s our contribution to the art of creating nightmares with Photoshop.

A combination photo shows the faces of various attendees of New York Comic Con in Manhattan, New York, October 8, 2015. The event draws thousands of costumed fans, panels of pop culture luminaries and features a sprawling floor of vendors in a space equivalent to more than three football fields at the Jacob Javits Convention Center on Manhattan's West side. (Photo by Andrew Kelly/Reuters)

Chinese women wear face-kinis as they walk in to the water to swim at the beach on August 20, 2014 in the Yellow Sea in Qingdao, China. The locally designed mask is worn by many local women to protect them from jellyfish stings, algae and the sun's ultraviolet rays. (Photo by Kevin Frayer/Getty Images)

“Willy Rizzo was an Italian photographer and designer. In late 1948, Willy began an illustrious twenty-year career with Paris Match that would have him photograph some of the greatest names of the golden age of photojournalism. Married later to actress Elsa Martinelli, Rizzo enjoyed unparalleled access to the stars; Brigitte Bardot, Sophia Loren, Marilyn Monroe, Vivien Leigh, Audrey Hepburn, Jane Fonda, Gene Kelly, Fred Astaire, Salvador Dalí and Pablo Picasso all found themselves in front of Rizzo’s lens”. – Wikipedia. Photo: Jane Fonda, Studio Willy Rizzo, Paris, 1966. (Photo by Willy Rizzo)