Photos: Rio de Janeiro's epic samba parade

Welcome to Rio de Janeiro's samba parade. Taking place over four days of Carnival at the city's Sambadrome, the parade is actually a giant competition involving 70 samba schools. The winners take part in a champions' parade on February 16.

Welcome to Rio de Janeiro's samba parade. Taking place over four days of Carnival at the city's Sambadrome, the parade is actually a giant competition involving 70 samba schools. The winners take part in a champions' parade on February 16.