The world’s biggest hole, also known as the “navel of the world,” is actually a diamond mine in Eastern Siberia near the town Mirna in Russia. It has 525 meters deep and 1.25 km dimametro.
To get an idea how huge it is, look at this truck, it measures 13.36 meters with a width of 7.78 meters and a height of 6.65 meters. Use it in the work of mine …
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