Revelers wearing costumes depicting "The Simpsons" comic characters pose for the photo during the "Ceu na Terra" or Heaven on Earth street party in Rio de Janeiro, Brazil, Saturday, Feb. 25, 2017.

media: 18421015. quicklist: 7title: The Industry Behind Carnivaltext: About 700,000 people visit Rio de Janeiro during Carnival, which generates an estimated $500 million in revenue and employs ...

Every year cities in Brazil celebrate Carnival with celebratory dances, parades, costumes, and parties. See the photos of this year's festivities.

Although Rio's samba schools recover and recycle, resell or donate some of their costumes, many end up in the trash, part of around 1,000 tons of carnival garbage each year.