Ключевые слова: alternative, bicycle, bike, biking, business, center, cycle, cycling, ecological, ecology, energy, environmental, fitness, green, group, health, healthy, hire, horizontal, leisure, life, lifestyle, many, modern, parking, pedal, pollution, public, recreation, rent, rental, ride, road, row, service, share, sharing, sidewalk, sport, station, stationary, system, town, traffic, transport, transportation, urban, vehicle, wheel,