Introduction to Hongya Ancient Cave: "Hongya Cutting the Wall" and "Ancient Cave Connecting Clouds" are two of the eight scenic spots in Hongdong. The name of Hongdong County is derived from "Hongya" in the south of the city and "Ancient Cave" in the north. In order to interpret the scenic spot of Hongdong, the "Hongya Ancient Cave" was specially built. The cave is winding and can be visited by tourists.