Suspended plank road, from the cliff under twists and turns, down Lianfengling, up to the cloud sky, walking on it, trembling, hair is also cold. Henan poet Wang Huai let this, touch the scene, sigh, improvised "Cloud ladder plank road chanting", "100 levels of the sky hanging, I from here on the blue sky, step by step in the white clouds, suddenly look back on the world."