Source 3 states " in a program that's set to spread to other countries, millions of colobians hiked, biked, skated or took buses to work during a carfree day yesterday, leaving the streets of this capital city eerily deviod of traffic jams." Bogota, colombia has a great point doing this event once a year will demonstrate citizen that the less car usage the less traffic jams there with be and it will be more relaxing and calming area to live instead of hearing screaming, beeping and other annoying sounds caused by unpatient people.