Ключевые слова: altitude, ancient, attraction, backpacking, big, bole, branch, destination, evergreen, forest, giant, grand, green, half, height, hiking, hill, historic, huge, khao yai, landscape, leaf, mountain, national, nature, old, outdoor, outdoors, park, peak, plant, range, root, roots, sky, state, stem, strong, tall, travel, tree, trunk, twig, west, western, wood,