aerial view of a road bridge (motorway a51) crossing durance river in the north of town sisteron in provence, france.

architecture bridge connection durance river durance france a51 river sisteron highway aerial aerial view alpes-de-haute-provence autumn colorful colors crossing day destination empty europe exit fall french grass landscape meadow motorway nature people provence provence-alpes-cote dazur riverbank road road bridge route napoleon season sign spanning street sunny tourism tourist town transport transportation travel trees view winding