Surprisingly, precious metals instead appear relatively abundant on the planet's surface and in the underlying mantle layer. [Infographic: Tallest Mountain to Deepest Ocean Trench].
令人惊讶的是，在地球表面和下面的地幔层里贵金属反而比较丰富。
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The scenic area consists of Four Girls Mountain, Balang Mountain, Changping Trench, Haizi Trench and Twinbridge Trench, with coverage of 480 square kilometers.