100.0 MB (7.1 MB compressed)
6839 x 5110 pixels
57.9 x 43.2 cm ⏐ 22.8 x 17.0 in (300dpi)
DR JUERG ALEAN / SCIENCE PHOTO LIBRARY DR JUERG ALEAN / SCIENCE PHOTO LIBRARY
In Roman times granite was quarried at Capo Testa, on the northernmost tip of Sardinia, Italy. The massive blocks were dissected by boring small holes into which expanders were inserted. Rows of these eventually were able to break the boulder in two - a process not yet completed in this example. A partially visible person on the far right illustrates the enormous size of the bolder.
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