people matter to carry. an urban planner for meddling in colombia a city where infrastructure problems have long loomed large. plane traffic cloaks the streets and sporting favelas define the cityscape. it's nearly impossible for buses to pass through these narrow steep streets. i but then the city has an idea. today six outdoor escalators extend three hundred eighty four mates has up the hill side now the one hundred forty thousand residents of community one of the city's poorest neighborhoods no longer need to make the climb by foot.