Crowd of people walking on New York City... | Stock Video | Pond5
New York's Sidewalks Are So Packed, Pedestrians Are Taking to the Streets - The New York Times
Pedestrian Safety Guide and Countermeasure Selection System
People Walking On Sidewalk In Illuminated City At Night Stock Photo - Alamy
When walking down a narrow sidewalk and approaching two people walking abreast and showing no sign of getting off your side of the pavement, do you move aside yourself or force one
Walking in America: What scientists know about how pedestrians really behave.