Some facts about Donetsk
In Donetsk, the deepest mines. Their coal seams are developed at a depth of more than 1200 meters! And the mining works of the Donetsk mines represent a unique system of underground corridors with a total length of more than 2,000 kilometers! Miner's work is especially honored in Donetsk. And the main holiday of the city - the day of the city is celebrated on the day of Miner.
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