Introduction to the Wind Tunnel: The Wind Tunnel is a strange cave on the mountainside of Mingyue Peak. It runs through the north and south. It is narrow in the middle and can only be used by one person. It forms two holes in the front and back. It is open in the north and south, in the shape of a gourd, with a total length of 20 meters and a maximum width of 9.2 meters. meters, up to 5 meters, with a total area of ​​about 140 square meters. People often call this place the "cool world". The wind here changes with the seasons, and tourists experience it differently.