自(zi)然(ran)(ran)溶(rong)(rong)洞(dong)有各(ge)種天然(ran)(ran)的(de)奇異景觀，有些(xie)天然(ran)(ran)溶(rong)(rong)洞(dong)美不勝收。溶(rong)(rong)洞(dong)是(shi)可溶(rong)(rong)性巖石中因(yin)喀斯特作用所形成(cheng)的(de)地(di)下空間，溶(rong)(rong)洞(dong)的(de)形成(cheng)是(shi)石灰巖地(di)區地(di)下水長期溶(rong)(rong)蝕的(de)結果。你知道哪些(xie)溶(rong)(rong)洞(dong)是(shi)自(zi)然(ran)(ran)形成(cheng)的(de)嗎(ma)？世(shi)界自(zi)然(ran)(ran)形成(cheng)的(de)溶(rong)(rong)洞(dong)有哪些(xie)呢？本文(wen)整理了世(shi)界十大自(zi)然(ran)(ran)形成(cheng)溶(rong)(rong)洞(dong)，包括猛(meng)犸(ma)洞(dong)、韓松洞(dong)、斯科契揚溶(rong)(rong)洞(dong)、歐若(ruo)恩(en)多加洞(dong)穴、越(yue)南蝕洞(dong)、芬(fen)格洞(dong)穴等，一起來看(kan)看(kan)吧。