Ключевые слова: abstract, afternoon, background, bicycle, bike, chain, city, color, colours, commute, commuter, conservation, cycle, cycling, daylight, diagonal, direct, environmental, fitness, group, lot, many, metal, outdoor, parking, pavement, pedal, people, perspective, place, public, rear, ride, road, row, sport, stationary, street, summer, tire, transport, transportation, travel, under, urban, vehicle, wheel, wheels,