With A Steel Bar And Sledge Hammers, A Hole Is Drilled Into A Rock. A Small Amount Of Gunpowder Is Detonated In The Hole To Split The Rock Into Small, Usable Pieces For Construction Of Airfield At Tushan, China.
Size: 3600px × 4553px
Photo credit: © piemags / Alamy / Afripics
License: Licensed
Model Released: No
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