Snapshots: The world in 24 hours

Cast members of the show "Corteo" by Canada's Cirque Du Soleil perform during a dress rehearsal in Vienna Feb 9, 2011. The show runs from Feb 10 to March 13 in Vienna. [Photo/Agencies]

The Paris Opera Ballet rehearse on the stage of the Bolshoi theatre in Moscow Feb 9, 2011. The Parisian troupe, one of the world's finest, has not performed in the Russian capital since 1991. [Photo/Agencies]