ancient roman aqueduct pont du gard with stone pillars above gardon river after sunset near vers-pont-du-gard, occitanie, france.

unesco world heritage vers-pont-du-gard unesco tourism sightseeing roman pont gard monument historic aqueduct ancient arch architecture bridge building connection construction crossing dark destination europe evening france french gard gardon gardon river history journey landmark landscape majestic night occitanie old pont provence river site sky stone stream supply tourist travel trip valley water water supply world heritage