
16. Revellers pose as they arrive for the first night of the Carnival parade of samba schools in Rio de Janeiro's Sambadrome March 6, 2011. REUTERS/Ueslei Marcelino

17. 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

18. 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

19. 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/Ricardo Moraes

20. A reveller of the Sao Clemente samba school gets ready for the annual carnival parade in Rio de Janeiro's Sambadrome March 6, 2011. REUTERS/Ricardo Moraes

21. Revellers from the Sao Clemente samba school prepare for the annual carnival parade in Rio de Janeiro's Sambadrome March 6, 2011. REUTERS/Sergio Moraes

22. A reveller waits for the start of the annual Carnival parade in Rio de Janeiro's Sambadrome March 6, 2011. REUTERS/Ricardo Moraes

23. A reveller waits for the start of the annual carnival parade in Rio de Janeiro's Sambadrome March 6, 2011. REUTERS/Ricardo Moraes

24. A reveller prepares for the start of the annual carnival parade in Rio de Janeiro's Sambadrome March 6, 2011. REUTERS/Ricardo Moraes

25. 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

26. 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

27. 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

28. 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

29. 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

30. 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