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Pont du Gard famous aqueduct bridge with three arched tiers, built in first century by Romans, popular tourist landmark, France
Ponte dei Salti Bridge view in Valle Verzasca of Switzerland
Roman aqueduct Pont d'Aël, Aosta Valley, Italy for water supply to Aosta (Inscription: bridge construction private initiative of Caius Avillius Caimus, from Patavium (Padova) around 3 B.C)
Pont du Gard, France. Ancient three-tiered aqueduct, built in Roman Empire times on the river Gardon. Provence, tourist destination, summer sunny day landscape.
Scenery of Luxembourg city with Grand Duchess Charlotte Bridge and Three towers

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