Ключевые слова: asia, background, beautiful, black, bridge, cave, cliff, environment, explore, forest, gorge, grotto, hiking, hole, hualien, landmark, landscape, marble, mountain, national, nationalpark, natural, nature, nine, outdoor, park, river, rock, rough, scenery, scenic, shakadang, stone, stream, taiwan, taroko, tarokogorge, tourism, trail, travel, tree, tunnel, water, wild,