castelsardo, sassari, italy, 20/03/2019 city of castelsardo in sardinia with its magnificent castle overlooking the crystal clear

20032019 architecture beach beautiful blue building castelsardo castle city clear clouds coast coastline colorful crystal europe hill holiday house island italian italy its landscape magnificent mediterranean nature nobody ocean old outdoor overlooking picturesque port relax road rock sardegna sardinia sassari scene scenic sea seascape shore sky street summer tourism tower town travel vacation view village wall water