Ключевые слова: adventure, asia, background, beautiful, bridge, bright, china, color, colorful, danxia, destination, gansu, geological, geology, geomorphology, hanging, high, hiking, hill, landform, landscape, light, mountain, nature, orange, outdoor, park, peak, rainbow, rainbow mountain, red, ridge, rock, sandstone, scenery, scenic, sky, stairs, steps, tour, tourism, traditional, travel, trek, trekking, vacation, view, zhangye,