Watch Engineering An Empire online: Episode 13 The Byzantines

As much of the world descended into the dark ages after the fall of Rome, one civilization shone brilliantly: the Byzantine Empire. With ruthless might and supreme ingenuity the Byzantines ruled over vast swaths of Europe and Asia for more than a thousand years. The Byzantines constructed the ancient world's longest aqueduct, virtually invincible city walls, a massive stadium, and a colossal domed cathedral that defied the laws of nature

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