Yabuzuka Quarry, Gunma, Japan
These are photographs from the Yabuzuka Quarry in Ota City, Gunma Prefecture, Japan. The quarry was in operation from around 1903 to 1955. The rock -volcanic tuff- was used for the foundations of buildings. Unfortunately, tuff absorbs water and proved to be a cheap but weak building material. Ultimately, the quarry was closed because of the poor quality of the rock.
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