roman aqueduct pont du gard with stone arches crossing gardon river in the evening near vers-pont-du-gard, occitanie, france.

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