If you have never heard of Rio's Carnival, you must be living in a cave. The worlds largest party is currently happening, and we have some of the best photos to prove it.
The Carnival in 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 on the streets. The first festivals of Rio date back to 1723.Source: en.wikipedia.org
Here are some of the best photos from the 2013 Carnival in Rio de Janeiro. If you're interested, I would be more than happy to add to this thread, there are plenty more ... just ask!