91. Revellers of the Unidos da Tijuca samba school participate in the annual Carnival parade in Rio de Janeiro's Sambadrome March 6, 2011. REUTERS/Ueslei Marcelino
92. A reveller of the Unidos da Tijuca samba school participates in the annual Carnival parade in Rio de Janeiro's Sambadrome March 6, 2011. REUTERS/Sergio Moraes
93. A reveller of the Unidos da Tijuca samba school participates in the annual Carnival parade in Rio de Janeiro's Sambadrome March 6, 2011. REUTERS/Ricardo Moraes
94. Revellers of the Unidos da Tijuca samba school participate in the annual Carnival parade in Rio de Janeiro's Sambadrome March 6, 2011. REUTERS/Sergio Moraes
95. Revellers of the Unidos da Tijuca samba school participate in the annual Carnival parade in Rio de Janeiro's Sambadrome March 6, 2011. REUTERS/Sergio Moraes
96. Revellers of the Unidos da Tijuca samba school participate in the annual Carnival parade in Rio de Janeiro's Sambadrome March 6, 2011. REUTERS/Ricardo Moraes
97. Revellers of the Unidos da Tijuca samba school participate in the annual Carnival parade in Rio de Janeiro's Sambadrome March 6, 2011. REUTERS/Sergio Moraes
98. Revellers of the Unidos da Tijuca samba school participate in the annual Carnival parade in Rio de Janeiro's Sambadrome March 6, 2011. REUTERS/Sergio Moraes
99. Drum Queen Adriane Galisteu of the Unidos da Tijuca samba school participates in the annual Carnival parade in Rio de Janeiro's Sambadrome March 6, 2011. REUTERS/Sergio Moraes
100. A reveller of the Portela samba school participates in the annual Carnival parade in Rio de Janeiro's Sambadrome March 6, 2011. REUTERS/Ricardo Moraes
101. Revellers of the Unidos da Tijuca samba school participate in the annual Carnival parade in Rio de Janeiro's Sambadrome March 6, 2011. REUTERS/Ueslei Marcelino
102. A reveller of the Unidos da Tijuca samba school participates in the annual Carnival parade in Rio de Janeiro's Sambadrome March 6, 2011. REUTERS/Sergio Moraes
103. Revellers of the Vila Isabel samba school participate in the annual Carnival parade in Rio de Janeiro's Sambadrome March 6, 2011. REUTERS/Sergio Moraes
104. Spectators take photos of revellers of the Unidos da Tijuca samba school during the annual Carnival parade in Rio de Janeiro's Sambadrome March 6, 2011. REUTERS/Ricardo Moraes
105. A reveller of the Vila Isabel samba school participates in the annual Carnival parade in Rio de Janeiro's Sambadrome March 6, 2011. REUTERS/Sergio Moraes
106. Revellers of the Vila Isabel samba school participate in the annual Carnival parade in Rio de Janeiro's Sambadrome March 6, 2011. REUTERS/Sergio Moraes
107. A reveller of the Vila Isabel samba school participates in the annual Carnival parade in Rio de Janeiro's Sambadrome March 6, 2011. REUTERS/Sergio Moraes
108. Revellers of the Vila Isabel samba school participate in the annual Carnival parade in Rio de Janeiro's Sambadrome March 6, 2011. REUTERS/Sergio Moraes
109. Revellers of the Unidos da Tijuca samba school participate in the annual Carnival parade in Rio de Janeiro's Sambadrome March 6, 2011. REUTERS/Ueslei Marcelino
110. Drum Queen Adriane Galisteu of the Unidos da Tijuca samba school participates in the annual Carnival parade in Rio de Janeiro's Sambadrome March 6, 2011. REUTERS/Ricardo Moraes
111. Revellers of the Unidos da Tijuca samba school participate in the annual Carnival parade in Rio de Janeiro's Sambadrome March 6, 2011. REUTERS/Ueslei Marcelino
112. Revellers of the Unidos da Tijuca samba school participate in the annual Carnival parade in Rio de Janeiro's Sambadrome March 6, 2011. REUTERS/Ueslei Marcelino
113. Revellers of the Unidos da Tijuca samba school participate in the annual Carnival parade in Rio de Janeiro's Sambadrome March 6, 2011. REUTERS/Ueslei Marcelino
114. A reveller of the Vila Isabel samba school participates in the annual Carnival parade in Rio de Janeiro's Sambadrome March 6, 2011. REUTERS/Sergio Moraes
115. Revellers of the Vila Isabel samba school participate in the annual Carnival parade in Rio de Janeiro's Sambadrome March 6, 2011. REUTERS/Sergio Moraes