Actor Robert De Niro presents the Guy Movie Hall of Fame award onstage during Spike TV's 5th annual 2011 “Guys Choice” Awards at Sony Pictures Studios on June 4, 2011 in Culver City, California. (Photo by Kevin Winter/Getty Images)

The 3D street painting “Crevasse” by artist Edgar Mueller is seen in this undated picture during the “Festival of culture”, 2008 in Dun Laoghaire, Irland. Edgar Mueller put a part of the eastern Pier into the ice age. This project has been supported by the Goethe Institution Germany. (Photo by Edgar Mueller/Getty Images)

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

Pretty Girls, Ugly Faces is a photo fad in which girls take pictures of themselves while posing in an unflattering manner, making a silly face or performing a physically strenuous activity.

Vitaly Gorshkov, a wildlife photographer, captured these animals in their natural habitat. He says that these animals are so hairy that it is difficult to distinguish the front from the back. The oxen aren’t really afraid of humans that is why it is easy to approach them and take pictures.

A Russian prisoner eating bread. (Photo by Hulton Archive/Getty Images). Finland, circa 1940

A general view at the launch of Imitate Mordern: A Gallery With A Difference on March 10, 2011 in London, England.

Lady Gaga performs at Staples Center on August 11, 2010 in Los Angeles, California. (Photo by Jason Merritt/Getty Images)