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Kostas Kotsanas, founder of the Museum of Ancient Greek Technology, poses next to a model of Aeoloshere of Heron, the precursor of the steam engine, at the museum in Athens, Greece, on Jan. 18, 2018. The Museum of Ancient Greek Technology, a new museum dedicated to the impressive technological achievements of ancient Greeks, has opened its doors to the public in Athens this January. It is the first and only of its kind in Greece, offering locals and foreigners insight into pioneering inventions which have laid the foundations to modern technology. (Xinhua/Lefteris Partsalis)