Fly from the watchtower into the deep and long valley. Fly through fog towards historic castle. In the deep valley. Gloomy and depressing weather of winter. Mysterious and enigmatic watchtower. Medieval stone structure. Zilkale is a medieval castle located in the Firtina (Stormy Valley) and is one of the most important historical structures in Camlihemsin district of Rize Province in the Black Sea Region of Turkey. The castle sits at the edge of a cliff overlooking the Fırtına Creek. The castle consists of outer walls, middle walls and inner castle. There are garrison quarters, and a possible chapel and head tower. Aerial flying flight autumn winter moist building long deep high forest nature mountain highland landscape view. UHD 4K 3840×2160.