Ключевые слова: alpine, altitude, autumn, beautiful, beauty, blue, cliff, colorado, coniferous, continental, dew, dirt, distance, distant, divide, elevation, fall, fir, flowers, haze, hiking, horizon, light, line, morning, mountains, nature, pasture, perfect, plain, ridge, road, rocky, scenery, scenic, sky, snow, spring, summer, trail, tree, tundra, valley, volcanic, yellow,