Ключевые слова: alpine, altitude, asphalt, climate, clouds, cloudy, coniferous, curve, edge, empty, evergreen, flare, foliage, forested, grass, green, growth, high, infrastructure, light, line, marked, mountain, mountainous, optical, outdoors, pine, railing, road, sky, slope, steep, summer, sunlight, timberland, travel, trees, vegetation, way, woods,