Exuberance and style reign on final day of Brazilian Carnival (VIDEO)
Six samba schools paraded in front of thousands in the Sambadrome, which runs four entire nights. They are part of an official competition, split into seven divisions where a sole winning school is chosen. The criteria include costume, flow, theme, and band music quality and performance. Some samba schools also hold street parties in their neighborhoods, through which they parade along with their followers.Unidos da Tijuca came out on top and was named the winner of Rio's Carnival of 2012.