A combination photos shows the Pan American Games medals during the launching ceremony in Rio de Janeiro April 4, 2007. The launching of the medals coincided with the 100 day countdown to the Pan American Games which will fall on July 13, 2007. (Xinhua Photo)

Rogerio Sampaio (L), gold medallist in the judo event at the 1992 Barcelona Olympic Games; Sandra Pires (C), gold medallist at the beach volleyball event at the 1996 Atlanta Olympic Games; and Robson Caetano, bronze medallist in the men's 4X100 relay at the 1996 Atlanta Olympic Games, pose with the Pan American Games medals during its launching ceremony in Rio de Janeiro April 4, 2007. The launching of the medals coincided with the 100 day countdown to the Pan American Games, which will fall on July 13, 2007.(Xinhua Photo)