Silves fortress, Silves, Algarve, Portugal, Europe

photography panoramic color image travel destinations outdoors daytime horizontal no people silves fortress fortress silves algarve portugal europe city urban scene cloud sky tree nature castle built structure architecture trees travel destination tourist destination tourist destinations travel skies outdoor outside nobody no one no person fort forts fortresses past history historic archaeological archaeology ruin ruins old ruin old ruins day cities urban castles fortified fortification historical