Ключевые слова: active, adult, allterrain bicycle, alone, autumn, bicycle, bicycle nature, bicycle outdoor, bicyclist, bike, bike ride, bike riding, bike travel, biker, biking, caucasian, child, children, cycle, field, follow, girl, helmet, human, kid, laught, leisure, meadow, nature, one, outdoors, relaxing, ride, rider, road, single, sport, stand, sun, sunset,