A man dances during a &quot;Bola Preta&quot; block parade in Rio de Janeiro, Brazil, Saturday, March 5, 2011. The five-day annual carnival celebration officially started Friday and is expected to draw about 756,000 visitors, both foreign and Brazilian, who will pack hotels to nearly 100 percent capacity and spend about $559 million, according to Rio state's tourism department. (AP Photo/Silvia Izquierdo) Photo: Silvia Izquierdo, AP / Associated Press