31. A reveller of the Sao Clemente samba school participates in the annual carnival parade in Rio de Janeiro's Sambadrome March 6, 2011. REUTERS/Sergio Moraes
32. Revellers of the Sao Clemente samba school participate in the annual Carnival parade in Rio de Janeiro's Sambadrome March 6, 2011. REUTERS/Sergio Moraes
33. Revellers of the Sao Clemente samba school participate in the annual Carnival parade in Rio de Janeiro's Sambadrome March 6, 2011. REUTERS/Sergio Moraes
34. A reveller of the Sao Clemente samba school participates in the annual carnival parade in Rio de Janeiro's Sambadrome March 6, 2011. REUTERS/Sergio Moraes
35. Revellers of the Sao Clemente samba school participate in the annual carnival parade in Rio de Janeiro's Sambadrome March 6, 2011. REUTERS/Ueslei Marcelino
36. Revellers of the Imperatriz Leopoldinense samba school participate in the annual Carnival parade in Rio de Janeiro's Sambadrome March 6, 2011. REUTERS/Ricardo Moraes
37. Drum Queen Bruna Almeida of the Sao Clemente samba school takes part in the annual Carnival parade in Rio de Janeiro's Sambadrome March 6, 2011. REUTERS/Sergio Moraes
38. Revellers of the Imperatriz Leopoldinense samba school participate in the annual Carnival parade in Rio de Janeiro's Sambadrome March 6, 2011. REUTERS/Sergio Moraes
39. Revellers of the Imperatriz Leopoldinense samba school participate in the annual Carnival parade in Rio de Janeiro's Sambadrome March 6, 2011. REUTERS/Ricardo Moraes
40. Revellers of the Imperatriz Leopoldinense samba school participate in the annual Carnival parade in Rio de Janeiro's Sambadrome March 6, 2011. REUTERS/Sergio Moraes
41. Revellers of the Sao Clemente samba school participate in the annual Carnival parade in Rio de Janeiro's Sambadrome March 6, 2011. REUTERS/Ricardo Moraes
42. Body painter Darcy Lio puts the finishing touches on a client during the annual carnival parade in Rio de Janeiro's Sambadrome March 6, 2011. REUTERS/Sergio Moraes
43. Body painter Darcy Lio puts the finishing touches on a client during the annual carnival parade in Rio de Janeiro's Sambadrome March 6, 2011. REUTERS/Sergio Moraes
44. Revellers of the Imperatriz Leopoldinense samba school participate in the annual Carnival parade in Rio de Janeiro's Sambadrome March 6, 2011. REUTERS/Sergio Moraes
45. Drum Queen Luiza Brunet of the Imperatriz Leopoldinense samba school participates in the annual Carnival parade in Rio de Janeiro's Sambadrome March 6, 2011. REUTERS/Sergio Moraes