Marcha mundial de ciclistas desnudos

People take part in the annual World Naked Bike Ride in central London on June 8, 2013 to protest against car culture and to raise awareness of cycling as an environmentally friendly option. The World Naked Bike Ride (WNBR) is an initiative that takes place in over 50 cities around the world. TOPSHOTS/AFP PHOTO/CARL COURT

Naked cyclists take part in the World Naked Bike Ride to protest against cars, gas emissions from cars and agressive drivers, in Guadalajara, Mexico on June 08, 2013. The Naked Bike Ride is a world event in which cyclists protest against car culture and oil dependency. AFP PHOTO/Hector Guerrero

Cyclists with body painting participate in a "naked ride" rally in the streets of Thessaloniki, northern Greece, on June 7, 2013. The event was organised for a 6th year to promote the wider use of bicycles, contributing to the protection of the environment and the reduction of traffic in the city.AFP PHOTO /Sakis Mitrolidis

Cyclists with body painting participate in a "naked ride" rally in the streets of Thessaloniki, northern Greece, on June 7, 2013. The event was organised for a 6th year to promote the wider use of bicycles, contributing to the protection of the environment and the reduction of traffic in the city.AFP PHOTO /Sakis Mitrolidis

Cyclists with body painting participate in a "naked ride" rally in the streets of Thessaloniki, northern Greece, on June 7, 2013. The event was organised for a 6th year to promote the wider use of bicycles, contributing to the protection of the environment and the reduction of traffic in the city. AFP PHOTO /Sakis Mitrolidis

Cyclists with body painting participate in a "naked ride" rally in the streets of Thessaloniki, northern Greece, on June 7, 2013. The event was organised for a 6th year to promote the wider use of bicycles, contributing to the protection of the environment and the reduction of traffic in the city.AFP PHOTO /Sakis Mitrolidis

People take part in the annual World Naked Bike Ride in central London on June 8, 2013 to protest against car culture and to raise awareness of cycling as an environmentally friendly option. The World Naked Bike Ride (WNBR) is an initiative that takes place in over 50 cities around the world. AFP PHOTO / CARL COURT

Naked cyclists take part in the World Naked Bike Ride to protest against cars, gas emissions from cars and agressive drivers, in Guadalajara, Mexico on June 08, 2013. The Naked Bike Ride is a world event in which cyclists protest against car culture and oil dependency. AFP PHOTO/Hector Guerrero

Naked cyclists take part in the World Naked Bike Ride to protest against cars, gas emissions from cars and agressive drivers, in Guadalajara, Mexico on June 08, 2013. The Naked Bike Ride is a world event in which cyclists protest against car culture and oil dependency. AFP PHOTO/Hector Guerrero