Ключевые слова: active, bicycle, bicycle lane, bike, bike path, biker, biking, city, cold, commute, curb, cycle, cycle lane, cycling, cyclist, danger, extreme, frost, frozen, germany, hamburg, ice, icy, lane, lifestyle, man, mobility, outdoor, ride, road, safety, slush, snow, snowy, street, times, tire, town, track, traffic, transport, transportation, urban, vehicle, weather, wheel, winter,