Passengers take part in the No Pants Tube Ride on the London Underground. (Photo by John Stillwell/PA Images via Getty Images)
Passengers take part in the No Pants Tube Ride on the London Underground. (Photo by John Stillwell/PA Images via Getty Images)
Passengers prepare to take part in the No Pants Tube Ride on the London Underground. (Photo by John Stillwell/PA Images via Getty Images)
Passengers take part in the No Pants Tube Ride on the London Underground. (Photo by John Stillwell/PA Images via Getty Images)
The "No Trusers On The Tube"/ "No Pants On The Subway" Day on the Bakerloo and Piccadilly lines. (Photo by rune hellestad/Corbis via Getty Images)
