Tube passengers strip to UNDERWEAR in bizarre worldwide craze

THOUSANDS of subway passengers shed their trousers for a baffling annual tradition around the world.

By Douglas Patient /

Germans stripped off in Berlin EPA/REUTERS

TRADITION: Germans stripped off in Berlin for the baffling craze

From London to New York, lads and lasses rode on underground trains – in just a pair of pants.

Dubbed No Pants Subway Ride, or the more Brit-sounding No Trousers on the Tube Day in the UK, the weird tradition turned heads.

Eye-popping pics from Prague in Czech Republic and Berlin in Germany show scores of revellers nonchalantly ride the trains will wearing next to nothing down below.

A couple got rid of their trousers for a train EPA

CHEEKY: A couple both got rid of their trousers for a train ride

“When told to by your group leader, remove your trousers”

The Stiff Upper Lip Society

In London, more than 300 people braved the cold temperatures and joined the event, which took place this afternoon.

No Pants Subway Ride started as a prank in New York, US, in 2002 and has since spread to over 60 cities around the globe.

Last year 300 Londoners took part in the event, which always takes place in early January.

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Participants and onlookers gather for Go Topless Day, celebrating its 10th anniversary, in Venice Beach, California Getty Images
Participants and onlookers gather for Go Topless Day, celebrating its 10th anniversary, in Venice Beach, California

    It urges travellers to try and keep a straight face during the stunt.

    Today marked London’s ninth No Trousers Tube Ride stunt.

    Organisers The Stiff Upper Lip Society encouraged people to join the group in Westminster before an hour and a half of riding trains and then an after-party.

    One reveller fails to hide his amusement GETTY

    CRAZE: One reveller fails to hide his amusement at the situation

    The event info read: “At 3pm, participants will be organised into groups, and will walk to a nearby station.

    “When told to by your group leader, remove your trousers, and put them into your backpack.

    “For the remainder of the journey, sit in the car as you normally would. Read a magazine or whatever you would normally do.”

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    A student covers her modesty before diving into the river PA
    A student covers her modesty before diving into the river

      The organisers added: “You can wear fun underwear if you like, but nothing that screams out, 'I wore this because I’m doing a silly stunt'.

      “Wear two pairs of underwear if it makes you feel more comfortable.

      "Don’t wear a thong or anything else that might offend people.

      “Our aim is to make people laugh, not p*** them off.”