text: Bogota, Colombia is starting a program that is spreading to other countries. Millions of Colombians hiked, biked, skated, or took the bus yesterday. This is the third year cars have been banned, using only buses and taxis, these are only trasportantion permitted for the Day Without Cars. In this captial city, the goal is to promote alternative transportation and reduce smog. The turnout was large even with the rain showers, "The rain hasn't stopped people from participating..," said Bogoto Mayor Antanas. And for the first time two other cities are joining the event. The day without cars is part of  improvement campaign, they have constructed 118 miles of bicycle paths, the most in Latin America.