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Clowning around in Mexico City for peace

Alexandre Meneghini / AP

Professional clowns laugh for about 15 continuous minutes during a gathering under the slogan "Clowns for peace, a world without violence," as part of the International Clown Convention in Mexico City, Wednesday Oct. 19, 2011. About 300 clowns posed for a group picture and then set about laughing on the premise that a world with more laughter will have less time or appetite for violence.

Alexandre Meneghini / AP

Professional clowns gather for the official photo at the International Clown Convention during a gathering under the slogan "Clowns for peace, a world without violence," in Mexico City, Wednesday Oct. 19, 2011.

Sashenka Gutierrez / EPA

A clown participates in the 16th International Clown Convention held in Mexico City, Mexico, 17 October 2011, where close to 1,000 clowns from Latin America and United States participate in several activities such as conferences, workshops and contests.

Alexandre Meneghini / AP

Professional clowns march through the streets after posing for the official photo at the International Clown Convention during a gathering under the slogan "Clowns for peace, a world without violence," in Mexico City, Wednesday Oct. 19, 2011.

AP reports:

MEXICO CITY — About 300 professional clowns in Mexico say they hope their 15-minute non-stop laugh-a-thon will make a contribution to world peace.

The clowns from Mexico and Central America are in Mexico City for a four-day convention to trade jokes and hone skills like making balloon figures.

They gathered Wednesday at Mexico City's Mother's Monument under the slogan "Clowns For Peace, A World Without Violence."

They posed for a group picture and then set about laughing, tee-heeing and guffawing for about 15 minutes, on the premise that a world with more laughter will have less time or appetite for violence.

The demonstration comes amid continuing violence in Mexico's drug war.