text: In Bogota, Colombia there was a program that is set to spread to other countries, millions of Colombians hiked, biked, skated or took buses to work during a car free day. Businessman Carlos Arturo Plaze says that "It`s a good opportunity to take away stress and lower air pollution." Authorities from other countries came to witness this event and were enthusiastic and believes they are generating a revolutionairy change and it is crossing borders. Parks and sport centers have bloomed throughout the city. Uneven, pitted sidewalks have been replaced by broad, smooth sidewalks and the rush-hour restrictions have dramatically cut traffic.