Looking north at Istanbul from on board a passenger cruise ship in the Bosphorus, Turkey. The Blue Mosque is on the left and the Hagia Sofia Mosque is to the right of centre. On the shore in the centre is the Ahirkapi Lighthouse. An American flagged motor yacht is under way in the foreground. she is seen from off her starboard beam and has a clipper bow with bowsprit, counter stern, single funnel and two masts.