Cyclists ride during the World Naked Bike Ride in Mexico City. More photos from around the world, below. Probably "NSFW," depending on where you "W." (REUTERS/Jorge Lopez)
Below: naked, beer-swilling Europeans ride their bike past Trafalgar Square during the 2011 World Naked Bike Ride in London. (REUTERS/Kevin Coombs)
Below: More nude dudes on two wheels, during the 2011 World Naked Bike Ride in Brussels (REUTERS/Francois Lenoir)
Below: Cyclists raise their bikes in the air during the 2011 World Naked Bike Ride in Guadalajara, Mexico. (REUTERS/Alejandro Acosta)
Boing Boing editor/partner and tech culture journalist Xeni Jardin hosts and produces Boing Boing's in-flight TV channel on Virgin America airlines (#10 on the dial), and writes about living with breast cancer. Diagnosed in 2011. @xeni on Twitter. email: email@example.com.