Sometimes, amber can be extracted from open pit mines.

有时候能从开放的矿坑找到琥珀。

Some comes from large industrial open pit mines.

有些来自大型工业露天矿。

Much of the time, extracting them requires a method called open pit mining that exposes vast areas of land.

很多时候，提取它们需要一种称为露天采矿的方法，该方法会暴露大片土地。

Much of their local waste is disposed in sort of informal ways whether it's behind the house or at a community dump which is essentially sort of an open pit or in some cases directly dumped into the ocean itself.

当地很多的废弃物都用了不正式的处理方式，不管在房子后面还是在社区垃圾场，它本质上是一个露天的坑，或者直接倾倒在海洋中。