The most important lesson at the four-day event was the difference between being a simple joker and a top-notch merry-maker.
Clowns play music as they rally for peace during the 18th Latin American clown convention or "Fair of laughter" at the Mother Monument in Mexico City October 23, 2013.
"Goly", a clown, laughs for fifteen minutes as he rally for peace during the 18th Latin American clown convention or "Fair of laughter"
"Resortito", a clown, poses for a photo as he rally for peace
Clowns laugh for fifteen minutes as they rally for peace
Clowns pose for a photo
Clowns march as they rally
A clown dressed as a police officer performs in front of a line of police officers
A clown gestures as she rallies for peace