Halfway through the 1st century AD, the Roman monument the Pont Du Gard was built in France. According to Site du Pont du Gard, it is a three level aqueduct, standing 50 meters high, 50 kilometers long and weighing 50,000 tons. “The bridge is constructed out of soft yellow limestone blocks, taken from a nearby quarry that borders the river” (An Ancient Work of Art). These blocks of limestone, now referred to as “pierre de Vers,” were extracted using picks and sharp metal corners. “The highest part…
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