A sculpture of a swimming man is displayed on the banks of the Thames on September 18, 2007 in London. The new artwork, unveiled today, is to promote a new television programme set in a tattoo parlour. (Photo by Peter Macdiarmid/Getty Images)

A man stands next to his giant pumpkins as he waits for them to be weighed in at the 34th Annual Safeway World Championship Pumpkin Weigh-Off October 8, 2007 in Half Moon Bay, California. (Photo by Justin Sullivan/Getty Images)

The original costumes for Star Wars character Darth Vader stand on display at “Star Wars: The Exhibition” at County hall on May 04, 2007 in London, England. (Photo by MJ Kim/Getty Images)

The rising sun penetrates early morning mist and begins to burn off the first frost of winter in the Cheshire countryside at dawn on 24 October, 2007, Knutsford, England. (Photo by Christopher Furlong/Getty Images)

Two men using an electric power saw to fell a tree circa 1940's. (Photo by Keystone View/FPG/Getty Images)

Four men dressed as zombies participate in a Zombie Walk procession in the streets of Paris October 12, 2013. (Photo by Benoit Tessier/Reuters)

Men work on a large hookah at the Taha factory in Baghdad, Iraq July 2, 2016. (Photo by Khalid al Mousily/Reuters)

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