芒果视频下载

天(tian)(tian)(tian)門(men)(men)(men)(men)洞(dong)(dong)是世界海拔(ba)最高的天(tian)(tian)(tian)然穿(chuan)(chuan)山(shan)溶(rong)洞(dong)(dong)，三國(guo)吳(wu)永安六(liu)年（公元263年），嵩梁山(shan)峭壁轟然洞(dong)(dong)開，玄朗如門(men)(men)(men)(men)，吳(wu)王視為吉祥(xiang)，亦由此(ci)改稱(cheng)天(tian)(tian)(tian)門(men)(men)(men)(men)山(shan)，下(xia)置天(tian)(tian)(tian)門(men)(men)(men)(men)郡。天(tian)(tian)(tian)門(men)(men)(men)(men)洞(dong)(dong)南北對穿(chuan)(chuan)，門(men)(men)(men)(men)高131.5米，寬(kuan)57米，深60米，拔(ba)地依(yi)天(tian)(tian)(tian)，宛若一道通天(tian)(tian)(tian)的門(men)(men)(men)(men)戶。

天(tian)門(men)山(shan)海(hai)拔1518.6米，山(shan)頂面(mian)積(ji)2平方公(gong)里(li)。主峰東面(mian)絕壁有一巨型(xing)溶洞，南北貫通(tong)透明如門(men)，謂之——天(tian)門(men)洞，天(tian)門(men)山(shan)由(you)此而(er)得名。天(tian)門(men)山(shan)東嶺(ling)筆架山(shan)，西扼七星山(shan)。十六峰環(huan)列左(zuo)右，綿延數十里(li)，如一道天(tian)然屏(ping)障(zhang)。

天門(men)奇景，古人(ren)有(you)贊：永(yong)定勝狀(zhuang)，在天門(men)山(shan)一山(shan)。故(gu)今(jin)人(ren)稱天門(men)山(shan)為武陵之魂。天門(men)山(shan)下，有(you)澧水發育，切開山(shan)下谷(gu)地，使高山(shan)與谷(gu)地拉(la)開極大(da)高差，10公(gong)里之內，差高1300多米，造(zao)就(jiu)天門(men)山(shan)孤峰高聳、臨空獨尊的雄偉(wei)氣勢。