1,000 m to the northwest of Niujiaoqian, the lune-shaped Songjia Cave can be entered and left in the same direction. So far, 30,000 ㎡ area has been opened to public, which can be divided into 3 rooms and eight halls. It resembles the delicate styles of the Gardening in south China. It was praised by a geographic professor in his remark after the inspection that “it is a perfect limestone hall with most beautiful stalactite color, highest sightseeing values, and most intact shield structure.” The relics of Ba people have been discovered in the cave. Therefore, it is also called “Cave of remote antiquity”