scenic view of budapest city at blue hour with illuminated buda castle, citadella on hellert hill and danube embankment

architecture attraction blue bridge bridges buda budapest building capital castle citadella city cityscape danube destination dusk elisabeth embankment europe european evening famous gellert hellert hill historic hour hungarian hungary illuminated landmark landscape liberty light lights magyar monument night panorama picturesque popular river scenic sky skyline street tourism tourist town travel twilight urban view water