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简介：Go beyond the surface in Earth Machine 　　The surface of our planet may seem static but as Earth Machine reveals, nothing could be further from the truth. Every day there are at least 50 big earthquakes and 12 powerful volcanic eruptions. Every second the ground beneath our feet moves and changes. 　　By travelling to the centre of the Earth to reveal how the engine at its heart affects our lives, and draining the oceans to expose some of the hidden wonders driving our existence, Earth Machine reveals why geology is such an important part of our lives, whether we are aware of it or not. This is the planet as you've never seen it before. 　　Earth Machine is a science documentary series from the BBC. The episodes in the series include : 　　Episode 1 - Land 　　Episode 2 - Ocean…