World Naked Bike Ride – in pictures | Life and style | guardian.co.uk

World Naked Bike Ride – in pictures | Life and style | guardian.co.uk: "Cyclists in cities around the world have taken part in the World Naked Bike Ride. Started in 2004, the clothing-optional protest aims to promote cycling as a greener mode of transportation, and encourage a body-positive culture. San Francisco, London, Madrid, Amsterdam and Guadalajara were among the cities that took part this year"