DescriptionElevator - Mock-up Coal Mine - Birla Industrial & Technological Museum - Kolkata 2010-06-18 6157.JPG English: Photographed at the Birla Industrial &...
DescriptionElevator - Mock-up Coal Mine - Birla Industrial & Technological Museum - Kolkata 2010-06-18 6155.JPG English: Photographed at the Birla Industrial &...