The architectural styles that the ancients used were, to a large extent, dictated by the rocks which were available to them on their doorstep. We look at how rocks influenced the Egyptians to build pyramids, the Greeks to build squares and the Romans to build arches. It was how the rocks were formed millions of years ago which determined whether they were best suited to be building materials for an Egyptian pyramid, a Greek Parthenon or a Roman Colosseum.
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