Atlas Copco ROC D9C surface drill rig at work on a retaining wall

Atlas Copco ROC D9C surface drill rig at work on a retaining wall
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Taken with a Canon EOS 50D
Date: March 03, 2013 15:29 PM
Exposure Time: 1/1000 sec
Aperture Value: f/7.1
Focal Length: 24 mm