Ключевые слова: adventure, architecture, asia, backgrounds, beauty, bridge built structure, cloudsky, curve, diesel fuel, environment, environmental conservation, forest, fuel and power generation, green color, high angle view, hill, history, idyllic, industry, journey, landscapescenery, locomotive, lush foliage, meadow, mode of transport, motion, mountain, nature, old, orange color, outdoors, pine tree, rail transportation, railroad track, rural scene, single lane road, station, steel, summer, tourism, tourist, trainvehicle, transportation, travel, tree, tunnel, village, yellow,