Image No. 259254
A thick shotcrete lining is being applied.
Photos courtesy of Consorzio Condotte-Cossi, Italy
|Image provded by:||DYWIDAG-Systems International, image used with kind permission.|
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This picture is copyrighted material and may not be used without explicit approval by the photographer and/or copyright owner.
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Switzerland (2019), added on 06/09/2000