|  | 
| A girl runs past an art installation depicting a shark at the Museum of Optical Illusions in St. Petersburg, Russia, October 7, 2014. The museum offers visitors a chance to become involved in their 3D installations, according to local media. [Photo/Agencies] | 
| 
 | 
 | 
| 
 | 
 | 
| 
 | 
 | 
| 
 | 
 |