Tuesday, October 8, 2013
Awe-inspiring optical illusions
Exercising on the edge
From street art to the wonders of nature, a selection of the best optical illusion images from around the world.
The old saying goes, "You have to see it to believe it," but that's not the case when it comes to some of the world's greatest optical illusions, which make your eyes play tricks on you. An optical illusion is when your eyes and brain perceive something that is different from the physical reality. These visual illusions will make you question what you're seeing.
In this photo: These fitness buffs appear to be exercising on the edge of a large canyon, complete with a waterfall, right in the middle of a city street. But in fact, they are actors posing with gym equipment on what the Guinness World Records billed as the world's largest 3D painting at Canary Wharf in London on Nov. 17, 2011. British artist Joe Hill's creation measured in excess of 12,000 square feet, breaking records for the longest and largest surface area 3D painting, according to Guinness. Some of Hill's 3D illusions can be completed in one day, according to his website, but large-scale projects take longer to create.
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Author: Reuters: Paul Hackett
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