Ключевые слова: astronomy, backdrop, background, beautiful, black, blue, branch, cloud, colorful, dao, dark, environment, exposure, face, forest, galaxy, grass, green, ground, head, hill, hua, land, landscape, light, lion, long, mountain, nan, national, natural, nature, night, outdoor, park, pha, rock, samer, si, signs, sing, sky, space, star, stone, thai, thailand, trail, tree, universe,