text: - They walk, bike, hike, skate, and take buses to work during the car-free days. It's been the third year in a row that they have had this day. The goal is to reduce smog and it works. Violaters are fined $25. More cities like, Cali, and Valledupar joined the event. They are taking a stand against polution and cleaning up the smog. The bicyclers made 118 miles of bike paths. Just for this day. "This is a good opportunity to take away stress and lower air pollution," said business man Carlos Arturo Plaza.