Cyclists participate in the World Naked Bike Ride in Mexico City, Mexico, on June 8, 2013. The movement was held in several cities around the world, as a protest against the growing dependency on oil consumption and to promote the use of bicycle as a pollution-free way of transport, according to the organizers.
當地時間2013年6月8日,墨西哥首都墨西哥城,男女老少紛紛光著身子騎自行車上街,參與全球性的裸騎活動,呼吁保護環境,抗議燃油消費劇增。