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在四川灌县西南的青城山，是道教的“第五大洞天”，传说东汉张道陵天师曾于此讲道。山上峰峦迭嶂，古树参天，座座宫观，黛围翠绕，条条溪涧，漾绿溢秀，有“青城天下幽”之誉，是游览避暑的胜地。但是，青城山纵横百里之内的丛林古木，并不是自然形成的原始森林，它是千余年
In Qingcheng Mountain, southwest of Guan County, Sichuan Province, it is the “fifth largest cave” in Taoism. Mountain peaks Diego, old trees towering, Block seat Palace concept, Dai Wai Cui around, a stream, overflowing green, “Qingcheng world secluded” reputation, is a summer resort. However, Mount Qingcheng vertical and horizontal forest miles within the jungle, is not a natural form of virgin forest, it is more than a thousand years