People wait for an underground train as they take part in the annual event "No Trousers Tube Ride" in London, Sunday, Jan. 8, 2023.

Video. Londoners strip off for 'No Trousers Tube Ride'

Commuters take part in the annual 'No Trousers Tube Ride' on the London Underground, braving the chilly winter weather to ride on public transport in their underwear. 

Commuters take part in the annual 'No Trousers Tube Ride' on the London Underground, braving the chilly winter weather to ride on public transport in their underwear. 

The annual event, which was launched in New York in 2002 and first came to the British capital in 2009, had been postponed since 2021 due to the COVID-19 pandemic.