Ключевые слова: a tree, alxa league, arbor, barrier, beautiful view, china, desert, ecology, ejina banner, forest, golden, heihe, hero tree, heterophyllum, hu yanglin, huyanglin national forest park, inner mongolia, natural, one, one slice, plant, poon, poplar tree, populus, protection, red willow, river, sand prevention, save only, species, surroundings, sycamore, three places, treasure house, trees, trefoil, vitality, watershed, weak water, west, wonder, world,