isometric low poly japanese castle.

illustration culture roof fairytale game stone stronghold citadel background isometric building gate flag king architecture fortified frame cute cityscape ancient facade journey grey outdoor high palace city vector 3d fortification art castle land house exterior built beautiful tourism door wall old cartoon defence kingdom historic estate nature construction temple symbol block decorative place east travel concept design japanese graphic island tower element isolated asian green object landscape fantasy icon fortress business medieval rock royal samurai flat japan fort