Not only a prominent landmark of the city, but also a monument whose name is brightly mentioned in the history of Hyderabad. The name 'Charminar' is made up of two very distinct words- Char and Minar means four towers. Each part of the monument has a plaza like opening overlooked by a tower. The oldest mosque, Mecca Masjid of Hyderabad is also a part of the Char Minar. This was built by the 5th Sultan named Quli Qutb Shahi on the banks of the Musi River. It is right in the heart of the city and was taken for diving the city into four parts for government purposes in the earlier times. Some say that this monument was built as a symbol of love for his queen Bhagyavathi and some say it was built to mark the end of a fatal plague that had affected the city. There is also known to be a decret tunnel beneath the floors of the Charminar, which connects it to the Golconda Fort staright. This was the Escape route for the royals during an emergency.