Ключевые слова: activity, asphalt, background, bicycle, bike, biker, bikeway, biking, city, cycle, cycling, cyclist, design, direction, ecological, ecology, fitness, healthy, lane, lifestyle, line, marked, marking, nobody, object, outdoors, painted, pathway, rider, riding, road, route, safety, season, sidewalk, sign, sport, street, symbol, track, traffic, transport, transportation, travel, urban, vehicle, way, white,