C2929 Hakungguan

The name of the city is the same as the Lord of Numinous Treasure, one of the Taoists. However, this is not the place where the legends of the Spiritual Treasure Heavenly Lord originated, but Old Lord Taishang, who is also laozi's.

Legend had it that his father once rode on a green cow and left Luoyang. He left Hakuo Pass and began to educate the Western Regions, India