Ключевые слова: active, background, bark, bicycle, bicycles, bike, boats, branches, canal, chain, cycle, ecological, ecology, equipment, foliage, grass, green, health, healthy, lawn, leaf, leafage, leaves, leisure, lifestyle, many, metal, modern, nature, object, outdoor, outdoors, outside, park, recreation, relax, rest, ride, space, sport, tourism, traffic, transport, transportation, travel, tree, trunk, wheel,