Ningcui Mountain is located in the north of Mangui Town, Genhe City, Inner Mongolia. Mangui Town is located in the original forest area of the cold temperate zone. It is known as the "China's second Arctic Village" and "Evernight City". Here you can watch about 10 days after the summer solstice every year. The "first-line sky" connected with the "day" and the dawn at sunset Landscape, Ningcui Mountain is a scenic spot to watch the "day" and "first-line sky".