小花猫大笨熊Tickets are 40, online tours can be slightly cheaper, and seniors over 65 are free. There is a paid parking lot at the entrance, 5 yuan per time. There are so many people, just give an explanation. First, visit the exhibition halls about the Three Kingdoms. It is also good to have some knowledge. The underground troop transport road is a one-way street, just follow it. More than 8,000 meters have been explored, and more than 700 meters are open to visit. It is breathtaking that the ancients can build such a large-scale tunnel underground more than 1800 years ago.