Big Hole (Kimberley Hole), South Africa

Open-pit diamond mine (known as the Big Hole or Kimberley Mine) in Kimberley, South Africa.

The Big Hole, Open Mine, Kimberley Mine or Tim Kuilmine^[1] (Afrikaans: Groot Gat) is an open-pit and underground mine in Kimberley, South Africa, and claimed to be the largest hole excavated by hand, although this claim is disputed.

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Photo Source: Collected from Internet