Ключевые слова: asphalt, bicycle, bike, bike lane, biking, build, city, concrete, concrete block, construction, construction site, curve, cycle, cycle lane, cyclist, germany, hamburg, hammer, industry, new, outdoor, pavement, people, red, road, road works, roadwork, roadworks, safety, sand, sign, site, stone, street, touristic, track, traffic, transport, transportation, travel, urban, work,