Most of the world's caves are found within it 世界上大部分洞穴内都存在石灰岩
Beautiful though these threads are, 虽然这些丝看起来很漂亮
However, human beings are seldom the first to reach these black, damp places. 但是 人类绝非 这个阴暗潮湿地界的第一位到访者
Beneath our feet are countless miles of cave shafts and passages. 我们脚下有着绵延不绝的洞窟和隧道
But the channels are also the playground for restless young macaques. 水道也是顽皮的小猴子们的游乐场
Crab-eating macaques are mangrove specials. 食蟹猴是红树林的特有物种
These underwater forests are nursery grounds for fish. 这些水下森林正是 鱼类理想的“育婴”场所
are only found in the lower courses of their rivers. 都是位于河流的下游地段