Greek temple ruins suggest lifting machines in use 1.5 centuries earlier than previously believed
(PHYSorg.com Archaeology & Fossils)

As modern Greeks undertake to reconstruct the Parthenon, largely using stone material from the site`s ruins, a question naturally arises: How did ancient Greeks construct massive temples and other buildings-lifting and placing one heavy block at a time, and up multiple rows in a wall-without modern advanced machinery?