Nude Bike Riders Protest Air Quality in Mexico

How do you get an entire city interested in the threats of air pollution? Ride around on bikes topless, of course.

Photos: Nude cyclists at the World Naked Bike Ride in Mexico

Naked cyclists protest oil, promote positive body images

11,504 Bicycle Protest Stock Photos, High-Res Pictures, and Images - Getty Images

Video. Naked cyclists hit the streets in Brazil to protest about road safety

Video. Annual nude bike ride turns heads in Mexico City

Here's why naked cyclist ride took place in Mexico, Mexico, Mexico City

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Watch as naked cyclists ride through Cork City in unusual

Photos: Nude cyclists at the World Naked Bike Ride in Mexico

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Cyclists in Mexico go naked to promote safety, alternative forms of transporation