We took a bus to Pont du Gard, a perfectly preserved Roman aqueduct built around 19 BC. It is the second-highest standing structure. The Roman Coliseum is only 6 feet higher. Pont du Gard was the critical link in a 30 mile canal dropping only one inch for every 350 feet, and it supplied nine million gallons of water a day (about 100 gallons per second) to the city of Nimes, one of ancient Europe's largest cities. Most of the canal is on or below ground. Very impressive!
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| 80 foot arch! |
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