Visualizing the 50 most amazing natural and artificial holes in the world. Featuring holes that are out of this world such as picturesque blueholes, impressive open-pit mines, unforgettable sinkholes ...
and some of the most voluminous lakes on Earth.
Since ancient times, humans have searched under the earth’s floor for minerals and energy sources as well as for the most basic necessities such as wells for water. Ranked #47 on the list is the well of Chand Baori in India. It was hand-dug in the 9th century and has 3500 narrow steps, with a depth of 100m. With the aid of technology, we have been digging increasingly deeper into the Earth for treasures such as the TauTona Gold Mine in South Africa, ranked #5, that is 3900m deep.
The Earth also has naturally formed holes such as blueholes, sinkholes, caves and lakes. These breathtaking sites often carry unique habitats with unique species.
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