
A woman looks a picture of the open air exhibition entitled 'Tchernobyl 25 ans apres' (Chernobyl 25 yaers after) by Swiss photographer Guillaume Briquet next to the Lake Geneva, in Geneva, Switzerland, 18 April 2011. The exhibition runs until 02 May 2011. EPA/SALVATORE DI NOLFI

Visitors look at pictures of the open air exhibition entitled 'Tchernobyl 25 ans apres' (Chernobyl 25 yaers after) by Swiss photographer Guillaume Briquet next to the Lake Geneva, in Geneva, Switzerland, 18 April 2011. The exhibition runs until 02 May 2011. EPA/SALVATORE DI NOLFI

A woman looks a picture of the open air exhibition entitled 'Tchernobyl 25 ans apres' (Chernobyl 25 yaers after) by Swiss photographer Guillaume Briquet next to the Lake Geneva, in Geneva, Switzerland, 18 April 2011. The exhibition runs until 02 May 2011. EPA/SALVATORE DI NOLFI

A woman looks a picture of the open air exhibition entitled 'Tchernobyl 25 ans apres' (Chernobyl 25 yaers after) by Swiss photographer Guillaume Briquet next to the Lake Geneva, in Geneva, Switzerland, 18 April 2011. The exhibition runs until 02 May 2011. EPA/SALVATORE DI NOLFI

A man looks a picture of the open air exhibition entitled 'Tchernobyl 25 ans apres' (Chernobyl 25 yaers after) by Swiss photographer Guillaume Briquet next to the Lake Geneva, in Geneva, Switzerland, 18 April 2011. The exhibition runs until 02 May 2011. EPA/SALVATORE DI NOLFI