Half-naked London commuters braved the bitter cold in their underwear and boxers - all in the name of humour.
No Trousers Tube ride: Londoners take part in stunt to 'make
Londoners ditch their pants for the 12th No Trousers Tube Ride
Londoners bare (nearly) all for eleventh No Trousers Tube Ride
No Trousers Tube ride: Londoners take part in stunt to 'make
No Trousers Tube Ride draws hundreds of pants-less passengers to
Londoners bare (nearly) all for eleventh No Trousers Tube Ride
Tube passengers strip to UNDERWEAR in bizarre worldwide craze
No Trousers Tube Ride brings laughter - and more smiles as strikes
Londoners strip off for annual 'No Trousers Tube Ride
No Pants on Tube ride - London underground commuters flash