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Peer over the edge of GINORMOUS open pit diamond mine

Even spectacular drone footage of the Mir open pit diamond mine, filmed in the Siberian town of Mirny. With a diameter of 1,200 metres (3,900 feet) and plunging 525 metres (1,722 feet) into the Earth’s crust, the Mir mine is one of the largest manmade holes in the world. Such is its magnitude; legends have even been born about the air vortices it creates sucking aircraft into its depths.

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