Paris - Fifty dancers from the Paris Opera Ballet astounded museum-goers on Sunday when they suddenly emerged from the crowd under the Louvre's glass pyramid entrance and started strutting their stuff.

They danced to the music of Johann Strauss's Blue Danube before being joined by 200 people who had earlier signed up for the "flash mob" performance.

They also danced to the sounds of Queen and Daft Punk.

After three minutes, the dancers melted back into the crowd, leaving behind dozens of pairs of ballet shoes marked with the Internet address of the children's charity for which the event was organised.
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