isometric low poly japanese castle.

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