While in Peru, with a gold miner of 45 years, I asked him how he was so confident about finding a gold mine.
在秘鲁，我问一位工作了45年的金矿工人，为什么他对找到一座新的金矿充满信心。
While the Amazon is in generally good shape, in the upstream regions, such as Peru, there are many high density areas of people that inject threat into the system.
尽管亚马逊河保持一般的状况，但是在河流上游，例如秘鲁，人口密集的地区正在给河流系统增加威胁。
The three countries are each home to two of the world's top 10 polluted sites, while the others are in Peru, Ukraine, Zambia and Azerbaijan.
在全球十大污染最严重的地区中，上述三个国家各占两个，而另外四个地区分别位于秘鲁、乌克兰、赞比亚和阿塞拜疆。
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