Holes in the ground. And not just holes, but the biggest ones. Created by nature or by human hands. Today you will see 7 of the most ambitious….
Karst sinkhole in Guatemala. Caused by groundwater and rainfall. During the formation of the failure, several people died and a dozen houses were destroyed.
2. The Big Hole Kimberlite Pipe, South Africa.
The largest of those dug by "hands" - 1097 meters deep
More than 22 million tons of rock were moved to the surface and 3 tons of diamonds were mined.
Development completed in 1914
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3. The Kennecott Bingham Canyon Mine, Utah.
Largest operating quarry in the world - Copper mining began in 1863 and is still ongoing.
Approximately one kilometer deep and 3.5 wide.
4. Quarry "Diavik", Canada. Diamonds are mined.
The quarry is located on the islands and has its own infrastructure with an airport capable of receiving passenger Boeings.
5. Great Blue Hole, Belize. Width 400 meters, depth 145 - 160 meters.
A point of attraction for professional divers from all over the world.
6. Gutter opening in the reservoir of the Monticello dam.
Serves to discharge excess water in the reservoir reservoir.
A kind of safety valve
7. Karst sinkhole in Guatemala. Caused by groundwater and rainfall.
During the formation of the failure, several people died and a dozen houses were destroyed.