The Carnival of Rio de Janeiro is a world famous festival held before Lent every year and considered the biggest carnival in the world with two million people per day in the streets. The first festivals of Rio date back to 1723.

Rio Carnival
 

Carnival in Rio De Janeiro in February 2013:

The typical parade Rio carnival is filled with revelers, floats and many ornaments Samba School are located in Rio (more than about 200, divided into five leagues / divisions.). Rio Carnival will be held from 8 to 11 February 2013.