Kimberley Big Hole

Kimberley Big Hole - South Africa Kimberley Big Hole - South Africa 

Apparently the largest ever hand-dug Excavation in the world, this 1097 meters (3.599 fett) deep mine yielded over 3 tons of diamonds before being closed in 1914. Apparently the largest ever hand dug excavation in the world, this 1097 meters (3599 fett) mines produced more than 3 tons of diamonds before it closed in 1914. The amount of earth removed by workers is estimated to total 22.5 million tons. The amount of earth removed by workers is estimated at 22.5 million tons