details of the architecture of the palace manjakamiadana on the royal hill of ambohimanga.

madagascar antananarivo historic heritage antananarivo royal hill palace ambohimanga facade exterior malagasy unesco world heritage site blue sacred rova house historical landmark traditional palace fandriampahalemana mahandrihono manjakamiadana terrace sky sightseeing old history ancient ambohimanga tana unesco picturesque hill buildings attraction holy destination carved fence royal wooden detail railing travel cloudy column balcony architecture