The camera is placed close to the ground, pointed up at people walking across a crosswalk, moving from left to right and right to left. The crosswalk consists of white bars painted across an asphalt road. A round manhole cover is placed between the bars of the crosswalk. At the end of the crosswalk, a person riding a scooter rides from right to left. Several people cross the crosswalk, at least one carrying a bag. It is nighttime and the lighting is artificial.