61. Revelers from the Imperatriz Leopoldinense samba school participate in the annual Carnival parade in Rio de Janeiro's Sambadrome March 6, 2011. REUTERS/Ricardo Moraes
62. 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
63. Canadian actress Pamela Anderson sits with a friend as they watch the annual Carnival parade in Rio de Janeiro's Sambadrome March 6, 2011. REUTERS/Ricardo Moraes
64. Revelers of the Imperatriz Leopoldinense samba school participate in the annual Carnival parade in Rio de Janeiro's Sambadrome March 6, 2011. REUTERS/Ueslei Marcelino
65. Revelers of the Imperatriz Leopoldinense samba school participate in the annual Carnival parade in Rio de Janeiro's Sambadrome March 6, 2011. REUTERS/Ricardo Moraes
66. Drum Queen Bruna Almeida of the Sao Clemente samba school gets ready for the annual Carnival parade in Rio de Janeiro's Sambadrome March 6, 2011. REUTERS/Ueslei Marcelino
67. Revellers of the Portela samba school participate in the annual Carnival parade in Rio de Janeiro's Sambadrome March 6, 2011. REUTERS/Sergio Moraes
68. Revellers of the Portela samba school participate in the annual carnival parade in Rio de Janeiro's Sambadrome March 6, 2011. REUTERS/Sergio Moraes
69. A reveller of the Portela samba school participates in the annual Carnival parade in Rio de Janeiro's Sambadrome March 6, 2011. REUTERS/Sergio Moraes
70. 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
71. Revellers of the Imperatriz Leopoldinense samba school participate in the annual Carnival parade in Rio de Janeiro's Sambadrome March 6, 2011. REUTERS/Ueslei Marcelino
72. Brazilian model Gisele Bundchen holds onto a friend as she dances to samba music during the annual Carnival parade in Rio de Janeiro's Sambadrome March 6, 2011. REUTERS/Ueslei Marcelino
73. Brazilian model Gisele Bundchen dances to samba music during the annual Carnival parade in Rio de Janeiro's Sambadrome March 6, 2011. REUTERS/Ueslei Marcelino
74. Revelers of the Imperatriz Leopoldinense samba school participate in the annual Carnival parade in Rio de Janeiro's Sambadrome March 6, 2011. REUTERS/Ueslei Marcelino
75. 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