How Much Gold Is There on Earth? | BBC Earth Science

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Gold is rarer than it seems, yet it’s everywhere, from jewellery to technology. But its journey is far more complicated than you might imagine. Best of Earth Science: http://bit.ly/EarthLabOriginals Best of BBC Earth: http://bit.ly/TheBestOfBBCEarthVideos This is a channel from BBC Studios who help fund new BBC programmes. Service information and feedback: http://bbcworldwide.com/vod-feedback--contact-details.aspx

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