Blue Mosque or The Sultan Ahmed Mosque is an historic mosque in Istanbul. The mosque is popularly known as the Blue Mosque for the blue tiles adorning the walls of its interior. It was built during the rule of Ahmed I.
The Bosphorus Bridge, Istanbul, Turkey. The Bosphorus Bridge is one of the two bridges in Istanbul, Turkey, spanning the Bosphorus strait and thus connecting Europe and Asia. It is a gravity anchored suspension bridge with steel pylons and inclined hanger