The sea of clouds, sunrise, Qifeng, Songtao, wall-mounted highway, Hongyan Grand Canyon, and three-dimensional waterfalls have formed the most famous natural landscape of Taihang in 800 miles. The highest altitude is 1700 meters, and the lowest place falls into Henan Huixian County, only about 300 meters. Due to the high altitude difference, the temperature difference under the mountain is large, and the cold and heating currents often meet each other, forming a magnificent sea of clouds meteorological landscape.