Twin Kiosk (Çifte Kasırlar) or Apartments of the Crown Prince (Veliahd Dairesi) in the Harem of Topkapi Palace, Istanbul, Turkey.
These rooms were used as the privy chambers of the crown prince, where he lived in seclusion and was trained in the discipline of the Harem. The walls are covered with beautiful Iznik ceramic tiles.
Picture license : CC BY-NC-SA