Pont du Gard

The Pont du Gard is an historic Roman aqueduct that crosses the Gardon River near the town of Vers-Pont-du-Gard in southern France. The Pont du Gard, constructed as three ranges of archways to convey water to the city of Nimes, is the highest of all extended Roman aqueducts, and one of the pleasant preserved. It became added to UNESCO's listing of World Heritage Sites in 1985 because of its ancient importance. The aqueduct bridge is part of the Nimes aqueduct, a 50-kilometre gadget built in the first century AD to carry water from a spring at Uzes to the Roman colony of Nemausus Nîmes.

Because of the choppy terrain between the two factors, the ordinarily underground aqueduct observed a long, winding route that called for a bridge throughout the gorge of the Gardon River. The bridge has 3 tiers of arches, stands 48.8 m 160 toes excessive, and descends an insignificant 2.5 centimetres a gradient of handiest 1 in 18,241 – even as the entire aqueduct descends in peak with the aid of best 12.6 m over its whole length, that's indicative of the incredible precision that Roman engineers were capable of attain the usage of simple generation.