Introduction to Maitreya Listening: There is a small niche under the stone steps at the north entrance of Danqinxia Tunnel. The narrow stone door is engraved with "Maitreya Listening". The Maitreya stone statue carving team is rough, 1.45 meters high and 1.35 wide. meters, the stone statue was built in the Yuan Dynasty, more than 700 years ago.