自(zi)然(ran)溶(rong)洞(dong)(dong)有(you)各種天(tian)然(ran)的(de)奇異景(jing)觀，有(you)些天(tian)然(ran)溶(rong)洞(dong)(dong)美不勝(sheng)收。溶(rong)洞(dong)(dong)是可溶(rong)性巖(yan)石中(zhong)因(yin)喀斯特作(zuo)用所形(xing)(xing)成的(de)地(di)下空間，溶(rong)洞(dong)(dong)的(de)形(xing)(xing)成是石灰巖(yan)地(di)區地(di)下水長期溶(rong)蝕的(de)結果(guo)。你知道哪些溶(rong)洞(dong)(dong)是自(zi)然(ran)形(xing)(xing)成的(de)嗎？世界自(zi)然(ran)形(xing)(xing)成的(de)溶(rong)洞(dong)(dong)有(you)哪些呢？本文整理了(le)世界十大自(zi)然(ran)形(xing)(xing)成溶(rong)洞(dong)(dong)，包括猛犸洞(dong)(dong)、韓松洞(dong)(dong)、斯科(ke)契(qi)揚(yang)溶(rong)洞(dong)(dong)、歐若(ruo)恩多加洞(dong)(dong)穴、越南蝕洞(dong)(dong)、芬格(ge)洞(dong)(dong)穴等，一起來看看吧。