Ключевые слова: abstract, access, accident, architecture, asphalt, background, break, bricks, care, cement, city, closeup, concrete, construction, crash, damage, danger, dangerous, deep, dirty, falling, gray, health, help, hole, incident, material, old, outdoor, outdoors, outside, pavement, paving, pedestrian, protection, public, repair, road, rough, safety, sidewalk, stone, street, structure, surface, transport, trouble, unsafe, urban, walk,