自(zi)(zi)然(ran)(ran)溶(rong)(rong)洞(dong)(dong)有(you)(you)各(ge)種天(tian)然(ran)(ran)的奇(qi)異景觀(guan)，有(you)(you)些(xie)天(tian)然(ran)(ran)溶(rong)(rong)洞(dong)(dong)美不勝收。溶(rong)(rong)洞(dong)(dong)是(shi)可(ke)溶(rong)(rong)性巖石中(zhong)因(yin)喀斯(si)特作用所形(xing)成(cheng)(cheng)的地下(xia)空(kong)間(jian)，溶(rong)(rong)洞(dong)(dong)的形(xing)成(cheng)(cheng)是(shi)石灰巖地區(qu)地下(xia)水長期溶(rong)(rong)蝕(shi)的結果。你知道哪些(xie)溶(rong)(rong)洞(dong)(dong)是(shi)自(zi)(zi)然(ran)(ran)形(xing)成(cheng)(cheng)的嗎？世界(jie)自(zi)(zi)然(ran)(ran)形(xing)成(cheng)(cheng)的溶(rong)(rong)洞(dong)(dong)有(you)(you)哪些(xie)呢？本文整理了世界(jie)十大自(zi)(zi)然(ran)(ran)形(xing)成(cheng)(cheng)溶(rong)(rong)洞(dong)(dong)，包(bao)括猛犸洞(dong)(dong)、韓(han)松洞(dong)(dong)、斯(si)科契揚(yang)溶(rong)(rong)洞(dong)(dong)、歐若(ruo)恩(en)多加洞(dong)(dong)穴(xue)(xue)、越南(nan)蝕(shi)洞(dong)(dong)、芬格(ge)洞(dong)(dong)穴(xue)(xue)等(deng)，一起(qi)來看看吧(ba)。