A wall of the castle is suitable for travel all year round, different season can enjoy different environmental features, is your sense of early spring summer autumn good place to enjoy winter especially castles back TaiYue, in more than 1000 meters above sea level, on a hot summer here can still be feeling of cool and refreshing, can chang shuang experience stereoscopic three layers of ancient military tunnels warm in winter and cool in summer, don't feel the same temperature