China's Forgotten 3‑Layer Cliff Fortress: Carved in 3 Years With Secret Passages & Deadly Traps

在中国四川深山悬崖，藏着一座被世人遗忘的三层神秘堡垒！百年乱世豪门耗三年、花费50万两白银凿山而建，秘道杀机遍布，摩崖石刻揭开一段不为人知的恐怖求生秘史。 Hidden on a remote cliff deep in the mountains of Sichuan, China, lies a forgotten three‑layer mysterious fortress. During the turbulent times a century ago, a powerful local clan spent three years and 500,000 taels of silver carving this stronghold out of the mountain. It is riddled with secret passages and deadly traps. Ancient cliff carvings uncover a little‑known, terrifying story of survival.