No Pants Subway Ride 2013: The day no one wore pants to work

World | | January 15, 2013, 12:43 pm
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Participants in the annual 'No Pants Subway Ride' wait to get a train at a subway station in Mexico City, Sunday, Jan. 13, 2013.

Participants in the annual 'No Pants Subway Ride' wait to get a train at a subway station in Mexico City, Sunday, Jan. 13, 2013.

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This man doesn't seem to amused by a participant of the 'No Pants Subway Ride' in New York City.

This man doesn't seem to amused by a participant of the 'No Pants Subway Ride' in New York City.

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Carrying a bike, a participant in the annual 'No Pants Subway Ride' transfers to another train in Mexico City

Carrying a bike, a participant in the annual 'No Pants Subway Ride' transfers to another train in Mexico City

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Participants in the annual 'No Pants Subway Ride' ride a train in Mexico City, Sunday, Jan. 13

Participants in the annual 'No Pants Subway Ride' ride a train in Mexico City, Sunday, Jan. 13

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The prank was initially staged by seven New York entertainers from the group Improv Everywhere in 2002.

The prank was initially staged by seven New York entertainers from the group Improv Everywhere in 2002.

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It started off as a prank and became a rage over the years, drawing flak from some and amusement from others. Here are some pictures of the 12th Annual No Pants Day.<br><br>A man, wearing underwear, records video of another man, also wearing underwear, during the annual 'No Pants Subway Ride' at a subway station in Mexico City

It started off as a prank and became a rage over the years, drawing flak from some and amusement from others. Here are some pictures of the 12th Annual No Pants Day.

A man, wearing underwear, records video of another man, also wearing underwear, during the annual 'No Pants Subway Ride' at a subway station in Mexico City

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Men not wearing pants take part in the annual 'No Pants Subway Ride' in Sofia January 13, 2013.

Men not wearing pants take part in the annual 'No Pants Subway Ride' in Sofia January 13, 2013.

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People without their pants wait for a subway train during the 'No Pants Subway Ride' in Berlin.

People without their pants wait for a subway train during the 'No Pants Subway Ride' in Berlin.

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Participants take part in the annual 'No Pants Subway Ride' in Stockholm, January 13, 2013. The event involves participants who strip down to their underwear as they go about their normal routine.

Participants take part in the annual 'No Pants Subway Ride' in Stockholm, January 13, 2013. The event involves participants who strip down to their underwear as they go about their normal routine.

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Passengers react to seeing a man take off his pants on the subway during the annual 'No Pants Subway Ride' in Shanghai.

Passengers react to seeing a man take off his pants on the subway during the annual 'No Pants Subway Ride' in Shanghai.

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A man not wearing pants waits on the subway station during the annual 'No Pants Subway Ride' in Sofia.

A man not wearing pants waits on the subway station during the annual 'No Pants Subway Ride' in Sofia.

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People without their pants wait for a subway train during the 'No Pants Subway Ride' in Berlin.

People without their pants wait for a subway train during the 'No Pants Subway Ride' in Berlin.

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People watch as participants in the 'No Pants Subway Ride' take the 6 train downtown in New York.

People watch as participants in the 'No Pants Subway Ride' take the 6 train downtown in New York.

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People without their pants arrive for the train during the 'No Pants Subway Ride' in Mexico City.

People without their pants arrive for the train during the 'No Pants Subway Ride' in Mexico City.

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Men swing on a pole in Union Square park after the 'No Pants Subway Ride' in New York.

Men swing on a pole in Union Square park after the 'No Pants Subway Ride' in New York.