the national observatory of athens city at the top of the nymphs hill in thissio, greece. sunset

acropolis areios areopagus athens attica attractions buildings cityscape culture destination europe golden greece greek heritage hill historic historical history holidays hour houses icon landmark landscape mediterranean national nymphs observatory outdoors pagos panorama panoramic picturesque plaka scenery sightseeing summer sunset thisseio thisseion thissio tourism touristic traditional travel urban vacation view visit