Guatemalan soldiers check a clown's car during a parade in the historic center of Guatemala City in the framework of the IV Latin American Clown Congress on July 24.
Johan Ordonez / AFP - Getty Images
Jose Manuel Ribeiro / Reuters
Revellers dressed as clowns and a man watch the carnival parade in Sesimbra village, Portugal on March 7. The clown parade in Sesimbra village became a tradition after a world record for the biggest clown march was set in 2004.
See more carnival coverage in our slideshow.