|A green-roofed bus stop on Carrera Septima.|
But it's obvious that a few patches of green can't suck up the torrents of soot belched out daily by Bogotá's trucks, buses and factories.
And now it's official: El Tiempo reports that the roofs didn't make a dent in air pollution.
They do look nice, though, and help cool the city a bit, while soaking up a bit of rainwater.
|Nearby, a green wall adds color to a street, but doesn't do much about pollution.|
|A green wall brightens the entrance to a hotel off of Avenida Jimenez, in La Candelaria.|