Big Hole South African dimond house.
The Big Hole, Open Mine, Kimberley Mine or Tim Kuilmine (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 ... The first diamonds here were found on Colesberg Kopje by members of the "Red Cap Party" from Colesberg on
