Chile has a more than 850 m deep hole called Chuquicamata. It’s a copper mine that produces the world’s biggest copper production.
2. Udachnaya Pipe
Diamond deposit in Russia named as the Udachnaya Pipe was found in 1955. The 600 meters mine stopped the production in 2010 as the owners chose to mine underground.
3. Sink hole
A number of houses in Guatemala sank into the ground after a sinkhole appeared on the surface of the land on which the homes stood in 2001. Thousands of citizens were evacuated while two others were killed in the incident. It is reported that an underground sewage flow and heavy rains caused the 300 ft deep hole.
4. Diavik Mine
The Diavik Mine is another diamond mine that is dubbed as one of the hugest holes in the world. The open pit mine opened in 2003 in the North Slave Region, Canada. By 2012, the mine is expected to go underground.
5. Mirny Diamond Mine
The Mirny Diamond Mine is 525m deep and has a diameter of 1200m. It was the first, and one of the largest, diamond Pipes in the USSR. It is now abandoned. While it was still operational, it would take two hours for trucks to drive from the top to the bottom of the mine.
6. Great Blue Hole
Located off the coast of Belize, the Great Blue Hole was formed during the last period of ice age. Now, this site is popular for tourism.
7. Bingham Canyon Mine
The Bingham Canyon Mine a.k.a the Kennecott Copper Mine is a copper deposit that is known as the largest human-made open pit in the world. The copper mine is 1.2 km deep and 4 km wide.
8. Monticello Dam
Constructed between 1953 and 1957 , the Monticello Dam has 249,000 m³ of concrete. This dam is located in Napa County, California.
9. Kimberley Diamond Mine
This diamond mine in South Africa is usually called as the Big Hole. The country has put effort to make it as one of the world’s heritage site.
10. Darvaza Gas Crater
Darvaza or Derweze is a village in Turkmenistan in which a huge gas crater was found by geologists in 1971. The hell is dubbed by the villagers as “The Door to Hell.”
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