Riddle of the Sphinx

Who built the Egyptian colossus and why did they abruptly stop before it was finished? New research reveals a changing climate my have shaped the fate of the statue.

No human endeavour has sparked such controversy as the 4,500-year-old Sphinx that lies a mere stroll from the great pyramids of Giza in Egypt. A huge, ancient lion sporting a human head seemingly guards over something on the rocky, desert plateau - but over what, no one can say.
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