|Pedestrians walk down the Eje Ambiental in La Candelaria.|
|La Salle University students paint a pedestrian area on Calle 11 in La Candelaria.|
|The conference was held in the Jorge Eliecer Gaitán theatre on Carrera Septima.|
|However, Bogotá's chronic traffic jams, like this one in La Candelaria, |
can make walking unpleasant and even dangerous.