
In the human search for mineral wealth, large hole has been widely explored. In addition, nature occasionally produces some astounding holes. This list of ten holes to choose the most spectacular natural or artificial in the face of the earth.10. Chuquicamata (Chile)Chuquicamata is the largest copper mine in Chile. Copper mines with total production of the world's largest - though not the largest copper mine. The mine has a depth of more than 850 meters.9. Udachnaya Pipe (Russia)Udachnaya pipes are diamond mines in Russia. Mine owner plans to discontinue its operations in 2010. Mine was found in 1955 and...