Ключевые слова: adventure, blue, canyon, cave, china, china east asia, chinese, cliff, climbing, color image, guo, high, horizontal, landscape, liang, mountain, national, nature, no people, outdoor, outdoors, panorama, park, peak, plateau, river, road, rock, rock object, scenery, scenic, sky, sports boundary, steep, steps, stone object, street, sunset, taihang mountains, tourism, travel, tree, valley, view,