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Fair of laughter

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. (REUTERS/Edgard Garrido)

Fair of laughter

Yahoo News

Laughter was a serious matter at a clown convention in the Mexican capital, where hundreds of the performers gathered this week to discover some of the secrets of making people laugh.

The most important lesson at the four-day event was the difference between being a simple joker and a top-notch merry-maker.

The 18th Latin American clown convention will be held from October 21 to 24 in Mexico City. (Reuters)