#mir mine
Mir diamond mine in Russia. The mine Diameter is 1,200 meters and it has a depth of 525 metres. The airspace above the pit is closed for helicopters because the downwards draft can suck them in.
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Mir diamond mine in Russia. The mine Diameter is 1,200 meters and it has a depth of 525 metres. The airspace above the pit is closed for helicopters because the downwards draft can suck them in.