山窿
出自維基百科，自由嘅百科全書
File:Painted cave.jpg
Painted Cave, one of the world's largest sea caves, Santa Cruz Island, California
山窿（cave）係自然形成、喺山裏面嘅中空部份，係一啲嘅好大窿，通常大到可以畀人或者動物入去。好耐以前，原始人會喺度住。
[編輯] 形成
山窿形成方式可能係水嘅侵蝕作用，又或者係風同微生物等其他外力嘅風化作用。好多自然形成嘅山窿係喺石灰岩地帶，稱之為溶洞（鐘乳洞）。
[編輯] 分佈
幾乎全世界都可以搵到山窿。
[編輯] 拎
- Australian Speleological Federation (ASF), AU
- British Caving Association (BCA), UK
- Classification of Caves A list of cave types with links to further information
- Journal of Cave and Karst Studies
- National Speleological Society (NSS), US
- International Union of Speleology (UIS).
- Speleological Abstract (SA/BBS) An annual review of the world's speleological literature.
- The Virtual Cave Photographs of many types of caves.
