Looking north at the Kiz Kulesi (Maiden's Tower) at Istanbul from a passenger cruise ship in the Bosphorus, Turkey

Looking north at the Kiz Kulesi (Maiden's Tower) at Istanbul from on board a passenger cruise ship in the Bosphorus, Turkey. The district of Uskudar on the east bank of the Bosphorus is on the skyline is the Mihrimah Sultan Mosque. A single masted sailing vessel is in the foreground.