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 more than 600 meters deep.
8. Sinkhole (Guatemala)
In 2007, the ground suddenly ambles into and swallowed 12 houses in Guatemala - killed two people and leaving thousands of residents were evacuated. This subsidence is caused by the rains and underground sewage flow.
7. Diavik Mine (Canada)
Diavik mine is a mine in the northwestern region of Canada. Mine (opened in 2003) produces 8 million carats or about 1,600 kg (3,500 lb) diamonds every year.
6. Mirny Diamond Mine (Siberia)
The Mirny Diamond Mine is a mine with a depth of 525m and has a diameter of 1200m. This is the first, and one, the largest diamond pipes in the Soviet Union. Now abandoned, and belongs to Siberia. It took two hours for the trucks back and forth up the mine up and down the mine. Here is a story about the emergence of voices of people who like being tortured in hell.
5. Great Blue Hole (Belize)
The Great Blue Hole is a drain off the coast of Belize. The hole has a diameter of 1,000 meters and a depth of 400 meters. Formed by a limestone cave during the Ice Age (IceAge).
4. Bingham Canyon Mine (Utah)
The Bingham Canyon Mine is a copper mine in the Oquirrh mountains, Utah, USA. The mine has a depth of 0.75 miles (1.2 km), and a diameter of 2.5 miles (4 km). It is the largest man-made mines in the world.
3. Monticello Dam (California)
Monticello Dam is a dam in Napa County, California, United States, which is most famous for the large and circular spillway at a rate of 48,400 cubic meters per second.
The Kimberley Diamond Mine (also known as the Big Hole) holds (the dispute) to "pit the hand" of the world's largest. From 1866-1914 50,000 miners dug the hole with simple tools and shovels, yielding 2722 kg of diamonds. Registered as a world heritage site by UNESCO.
1. Darvaza Gas Crater (Turkmenistan)
In 1971, geologists found an underground gas supply large scale in this mine. When digging a hole to take the gas, the drilling area suddenly collapsed and left a big hole. To prevent toxic gases exit, then officers to burn the gas source. But until now the hole was still burning. Community there called "Door to Hell".
