| http://www.w3.org/ns/prov#value | - The freshly quarried blocks could be shaped by wood, ceramic, bone and any other hard object, as well as by rubbing blocks against each other to fit them into the construction. (When I was in the Zedekiah Cave I was astonished to be able to scratch the rock with my finger nail and then I realized why this soft rock was quarried in subsurface like a precious ore).
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