Deep In The Ural Mines
In 1930s in the Urals they found ore containing rare metals, titanium, niobium, vanadium and tantalum. But only in 1941-45, when the country needed doped alloys so much, they started development. Upon the mining works all entries were exploded and thus the underground labyrinths were shut down. Let’s visit the place where humans have not been for 60 years already…
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