Ключевые слова: abstract, across, area, asphalt, background, barrier, bump, city, concept, cross, crossing, crosswalk, danger, empty, highway, line, nobody, outdoor, passage, pattern, pedestrian, perspective, ramp, road, roadway, row, safety, sidewalk, sign, space, speed, step, street, strip, stripe, striped, surface, texture, town, traffic, transport, urban, walk, walkway, way, white, yellow, zebra,