text: Secondly, another example of a car free day is in Bogota, Colombia. "Millions of Colombians hiked, biked, skated or took buses to work on car-free day". This day in Bogota has been celebrated for three years straight now, "where cars have been banned with only buses and taxis permitted for the Day Without Cars in this capital city of seven million". The goal of this day is to promote alternative transportation and reduce smog. Even when it rains on car free day in Bogota this doesn't stop people from participating," says Bogota Mayor Antanas Mockus. A businessman says "it's a good opportunity to take away stress and lower air pollution."