귀곡 잔도 ( 鬼谷 棧道 ) ( 2 ) . 천문 산 ( 天門 山 ) . 장가 계 ( 張 家 界 ) . 중국 귀곡 천참 ( 鬼谷 天塹 ) Guigu Moat 이홍관 倚 虹 关 Rainbow - Relying Pass ( ← 440 m ) 야 불 장보 野 拂 藏 宝 Treasures Buried by Yefu - an Ancient ( → 220 m ) 天 门 山 国 家 森林 公 园 Tianmen Mountain National Forest Park 단층 断 层 FaultA fault is a planar fracture or discontinuity in a volume of rock , across which there has been significant displacement along the fractures as a result of earthe movement . Rocks on a fault line are usually broken and easily eroded Ravines , sometimes springs and lakes occur on the fault line . This is valley developed along the fault line . 천문 산 리프트 求 儿 洞