Introduction to the old county seat: The old county seat is the site of Foping Hall in the Qing Dynasty. It has remaining ancient city walls, gates, monuments, sculptures, government offices, academies, temples, markets and residents with the style of southern Shaanxi. The buildings are all shining with the brilliance of history and culture. In addition, it is surrounded by mountains, flowing water, green woods, and sparse villages. It is a gorgeous scenery of a paradise. In the high mountain stone city of the old county, there are cultural relics of great historical value such as the relief sculpture of three dragons playing with beads and the stone carving of roaring towards the sky, which are rare in the country. People call the old county seat the "Shangri-La of the North".