Ключевые слова: adventure, asphalt, background, beautiful, blank, challenge, countryside, curve, day, destination, ecology, ecosystem, empty, environment, forest, freedom, freeway, freshness, green, highway, highways, hill, infrastructure, journey, landscape, lanes, marking, mountain, natural, nature, outdoor, outdoors, paved, pavement, perspective, road, rural, separate, speedway, street, summer, surface, thailand, transport, transportation, travel, tree, trip, tunnel, way,