
46. A reveller of the Imperatriz Leopoldinense samba school participates in the annual Carnival parade in Rio de Janeiro's Sambadrome March 6, 2011. REUTERS/Ricardo Moraes

47. A reveller of the Imperatriz Leopoldinense samba school participates in the annual Carnival parade in Rio de Janeiro's Sambadrome March 6, 2011. REUTERS/Sergio Moraes

48. 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

49. 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

50. A reveller of the Imperatriz Leopoldinense samba school participates in the annual Carnival parade in Rio de Janeiro's Sambadrome March 6, 2011. REUTERS/Ueslei Marcelino

51. 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

52. 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

53. 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

54. 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

55. 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

56. A reveller of the Imperatriz Leopoldinense samba school participates in the annual Carnival parade in Rio de Janeiro's Sambadrome March 6, 2011. REUTERS/Ueslei Marcelino

57. Revelers prepare for the start of the annual Carnival parade in Rio de Janeiro's Sambadrome March 6, 2011. REUTERS/Ricardo Moraes

58. Revelers prepare for the start of the annual Carnival parade in Rio de Janeiro's Sambadrome March 6, 2011. REUTERS/Ricardo Moraes

59. Revelers prepare for the start of the annual Carnival parade in Rio de Janeiro's Sambadrome March 6, 2011. REUTERS/Ricardo Moraes

60. A reveler from the Sao Clemente samba school participates in the annual Carnival parade in Rio de Janeiro's Sambadrome March 6, 2011. REUTERS/Sergio Moraes