What are the tourist attractions of Huanglongba in Chongqing?

Huanglong is located in the southern section of Mianshan, Songpan County, Aba Tibetan and Qiang Autonomous Prefecture, northern Sichuan Province. The highest peak is Xuebao Peak, the main peak of Mianshan Mountain, with an altitude of 5588 meters. It is the easternmost point where modern glaciers exist in China. The total area is 700 square kilometers, and the peripheral protection area is 640 square kilometers. Huanglong is famous for its "four wonders" of colorful ponds, snow-capped mountains, canyons and forests. Huanglong has a humid and cold climate, with Ciel Phantomhive in winter and spring and autumn connected. The annual average temperature is 7℃, with plenty of sunshine and foggy in the morning and evening, and the rainfall is mostly concentrated in May-August every year. It is suitable to travel to Huanglong in late spring and early autumn, and the best time is at the end of September to 10.