美国蒙大拿州的伯克利矿坑湖，看似风光优美，实则是剧毒水域，湖水腐蚀性极强，生灵难以靠近。它是露天采矿留下的深坑积水而成，矿石反应形成强酸，裹挟大量重金属，生态污染问题严峻。可谁曾想，这片工业伤疤之下，藏着珍贵稀土矿产。科研团队实地探寻研究，力求在治理污染的同时开采资源，实现生态修复与资源再利用双赢。
This might be one of the most beautiful lakes in Montana.
So this is one of the propane cannons.
That loud noise that birds don't like and scare them away.
So why go to so much trouble to keep birds from enjoying it?
Because this is one of the most toxic lakes in America.
The water here is acidic enough to dissolve metal and could spell certain death for any bird that lands on it.
Well, if I was a bird, I'd be out of here, man.
Nature didn't build this place.
We did.
For nearly a century, miners dug away a mountain in search of valuable minerals here.
