Columbia subject headings:
City planning--Brazil--Rio de Janeiro.
Pedestrian areas--Planning.
Pedestrian traffic flow--Planning.
Pedestrians--Brazil--Rio de Janeiro.
Harvard subject headings:
City planning--Brazil--Rio de Janeiro
Pedestrian areas--Planning.
Pedestrian traffic flow--Planning.
Pedestrians--Brazil--Rio de Janeiro.
Princeton subject headings:
City planning--Brazil--Rio de Janeiro.
Pedestrian areas--Planning.
Pedestrian traffic flow--Planning.
Pedestrians--Brazil--Rio de Janeiro.