World's carnival revelry Revellers participate in a masked ball during celebrations for the "Carnival of All Colors" in Mara...

World's carnival revelry

Revellers participate in a masked ball during celebrations for the "Carnival of All Colors" in Maragojipe city, northeastern Brazil February 21, 2012. REUTERS/Ueslei Marcelino (BRAZIL - Tags: SOCIETY)

A reveller participates in a masked ball during celebrations for the "Carnival of All Colors" in Maragojipe city, northeastern Brazil February 21, 2012. REUTERS/Ueslei Marcelino (BRAZIL - Tags: SOCIETY)

Brokers wear costumes to celebrate Carnival at the German stock exchange in Frankfurt am Main. (AFP Photo/Daniel Roland)

'Gilles of Binche' dance during a carnival parade in the city centre of Binche, Belgium, Tuesday, Feb. 21, 2012. The Carnival of Binche dates back to around the 14th Century, with the clown-like Gilles performing their traditional dances to the sound of drums to ward off evil spirits with their sticks.(AP Photo/Yves Logghe)

Women dressed for "Weiberfastnacht" (Women's Carnival) and a Chinese tourist (R) celebrate in front of Cologne's cathedral February 16, 2012.

A carnival reveler in a wolf costume rides a tricycle with banner which reads "Wulff (German President Christian Wulff) and 7 Zentis sponsor" during a carnival parade in Berlin, February 12, 2012.

Workers put the final touches on the Queen of Carnival during preparations for the carnival parade in Nice February 6, 2012.

Revelers from around the world celebrate Carnival.