- A staggering 3 million wrinkle-lipped bats live here.
这里住着数量惊人的300万只犬吻蝠 - The bats roost high on the walls and ceilings
这些蝙蝠倒挂在洞壁和天顶上 - where they're well protected from the outside elements
它们在此完全不受外界因素的干扰 - and safe from predators.
还能躲开天敌 - And while they're up here
它们高悬在洞穴上方时 - the bats produce something very important.
会产生一种非常重要的东西 - This hundred metre high mound is made entirely of bat droppings -
这堆100多米高的东西 全都是蝙蝠的排泄物