Women dance in their underwear during a flash-mob named "beautiful naked" (Belle toute nue), organised by French TV M6 channel, in front of the Notre Dame Cathedral, near the Seine river in Paris, March 23, 2011. [Photo/Agencies]

A man is silhouetted as he walks past the Tondonco showcase at Baselworld fair in Basel March 23, 2011. The world's leading watch and jewellery show Baselworld is to be held in Basel from March 24 to March 31. [Photo/Agencies]