Holding the key to the city, this year's King Momo, the crowned and costumed Milton Rodrigues, left, accompanied by a person disguised as Blu, a character of a Brazilian-American computer-animated film, center, and Rio's mayor Eduardo Paes, right, poses for pictures during carnival celebrations in Rio de Janeiro, Brazil, Friday, March 4, 2011. Covered in confetti and to the sound of drums, Rio's mayor Eduardo Paes handed the key to the city to King Momo, the mythical figure who reigns over the chaos of Carnival, officially opening this seaside city's five-day annual exaltation of music, booze and flesh. (AP Photo/Rodrigo Abd) Photo: Rodrigo Abd, ASSOCIATED PRESS / Associated Press