Jan. 13 - Intrepid Metro passengers in Mexico City took to the rails sans pants for the ubiquitous ''No Pants Subway Ride.'' Elly Park reports.
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For one day Mexico City subway commuters seem to live by one philosophy -- take it off.
To the surprise of some straphangers, waves of pantless subway riders hit the trains wearing nothing more than their underwear.
Officially called the "No Pants Subway Ride," the annual event started in New York in 2001 and has spread across the globe today taking place in 25 countries.
The organizer of the cheeky event here is Adrian Pacheco, who says it's all in the spirit of good fun.
SOUNDBITE: Adrian Pacheco, 'No Pants' Event Organizer saying (Spanish)
"Here in Mexico it is the fourth time that we've done this and the only reason we do it to get a little outside our daily reality in a city like this one. And, well, it's a joke. It's like a massive joke. A giant joke."
But the humor was lost on some of the passengers, who decided to stay fully dressed.
Participant Liliana Mares descibes the mixed reactions.
SOUNDBITE: Liliana Mares 'no Pants' Metro Rider saying (Spanish)
"Some look at you with disgust or are frightened or simply look upwards because they disapprove of what you are doing. Other people laugh with you and ask you for a photograph."
Mexico City wasn't the only city where commuters dropped their pants, as the flash mob took place in over 60 cities across the world.
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