深山悬崖绝壁上镶嵌着一道怪门，里面竟藏着中国古老的秘术，让人毛骨悚然！

Can you believe it? A strange wooden door has been discovered on a cliff face deep in the mountains. It's firmly embedded in a crevice, with no way to reach it from any direction. Only a rotten wooden ladder occupies the edge, raising questions and intrigue. Everything seems illogical. Was it built by ancient people, or is it someone's hermitage? Looking around, besides rocks and weeds, there's not a trace of human life. The deep mountains are silent, with a chilling wind blowing, sending shivers down your spine. What secrets does this door hold? Let's climb up and find out.