Standing Stones: Ancient Engineering Secrets
As you are walking through the ancient city of Arles, France, you see climbing stone steps worn smooth by millions of feet over twenty centuries, the Arenes of Arles. Around you, 120 perfectly preserved arches rise in mathematical precision, supporting 20,000 seats that is part of Six Roman venues still in use today in France. No steel reinforcement. No modern concrete. No bulldozers or cranes built this. Yet here it stands, more durable than most buildings constructed in the past fifty years. ...