Preparing drainage pipeline for unwatering the 500-meter deep Korkinsky coal mine in Chelyabinsk Region.

15.09.2014#2493856

Korkinsky coal mine in Chelyabinsk Region, one of the deepest coal mines in Europe.

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Korkinsky coal mine in Chelyabinsk Region, one of the deepest coal mines in Europe.

15.09.2014#2493851

Korkinsky coal mine in Chelyabinsk Region, one of the deepest coal mines in Europe.

15.09.2014#2493850

Korkinsky coal mine in Chelyabinsk Region, one of the deepest coal mines in Europe.

15.09.2014#2493849

Korkinsky coal mine in Chelyabinsk Region, one of the deepest coal mines in Europe.

15.09.2014#2493848

Korkinsky coal mine in Chelyabinsk Region, one of the deepest coal mines in Europe.

15.09.2014#2493847

Korkinsky coal mine in Chelyabinsk Region, one of the deepest coal mines in Europe.

15.09.2014#2493845