在远(yuǎn )离秀女峰(fēng )万里之遥的(de )一处山(shān )林中(zhōng ),有一条山(shān )水清秀的河谷,河水滔滔,分(fèn )隔南北(běi )两岸。河流在丛林中蜿蜒(yán )穿梭(suō ),沿途都是百丈高的悬崖(yá )峭壁,刀削斧凿(záo )般、无(wú )可攀爬。偏偏在(zài )这南(nán )北(běi )相隔的悬(xuán )崖峭壁上,却(què )人为地建有(yǒu )高低不等的无数洞府,隔河(hé )可望。一座(zuò )高悬半空的石桥,横(héng )跨南北两岸,如(rú )同雨后初出的长(zhǎng )虹(hóng ),