The mine is so deep that a journey from the surface to its deepest point takes over an hour. Mponeng mine's tunnel walls are made of shotcrete that is supported with steel rebar. Interestingly ...

It is so deep that a trip from the surface to its furthest point takes over an hour. Not only does the mine hold a record ...

There are many huge gold mines around the world - from the Grasberg mine in Indonesia to South Africa's Mponeng mine ... kilometres and reaches over 1km deep. According to Agnico Eagle, the ...