ATHENS, Greece, Oct. 20 (UPI) -- Archeologists have found clay fireplaces in southern Greece that could be a historical bridge between kilns and much older stone hearths.
European and Israeli scientists, in a study summarized in the latest edition of the journal Antiquity, unearthed more than 70 clay fireplaces at Klisoura Cave 1 in Greece's Peloponnese in ground layers associated with a prehistoric culture known as the Aurignacian.
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The structures bridge the gap between kilns, used for cooking between 34,000 and 23,000 years ago, and more ancient stone hearths of the Middle Paleolithic age.