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A behind-the-scenes look at Vienna's famous Opera Ball

Helmut Fohringer / EPA

View of the dress rehearsal for the Opera Ball 2012 at the Vienna State Opera, in Vienna, Austria, Feb. 15. The Opera Ball will take place on Feb. 16.

Lisi Niesner / Reuters

More preparations for tomorrow's Vienna Opera Ball.

The Vienna Opera Ball is Feb. 16, the Thursday preceding Ash Wednesday. It is one of the highlights of the carnival season in Vienna. The precision of the stately event doesn't come without work. Today, a practice run was held for participants who will dress in ball gowns and white tie and tails.

Lisi Niesner / Reuters

Dancers of the Young Ladies' and Young Gentlemen's Committee perform during a dress rehearsal for the traditional Opera Ball in Vienna.