A girl runs past an art installation depicting a shark at the Museum of Optical Illusions in St. Petersburg October 7, 2014. The museum offers visitors a chance to become involved in their 3D ... more 
A girl runs past an art installation depicting a shark at the Museum of Optical Illusions in St. Petersburg October 7, 2014. The museum offers visitors a chance to become involved in their 3D installations, according to local media. (REUTERS/Alexander Demianchuk) less 
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Reuters | Photo by REUTERS/Alexander Demianchuk
Tue 7 Oct, 2014 11:30 PM IST

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