Ключевые слова: american, bicycler, big, bike, brothers and sister, caucasian, childhood, children, cycling, daughter, day, ecology, family, family leisure, friendly, generation, group, happiness, happy, health, helmet, joy, kids, look, look at the camera, man, mom, mountain, mtb, parents, park, playful, price, relax, rest, ride, road, row, smile, smiling, sports, sporty, stand in a row, stop, team, together, togetherness, transport, view, young,