It is an UNESCO World Heritage site and known as the fortification of Hanoi. The building was the focal point of old Hanoi. The antiquated site was the political community for 13 centuries and filled in as the capital of Vietnam for 8 centuries. The focal banner pinnacle of the fortification stands 40 meters tall. It is an image of Hanoi. It is situated in Ba Dinh and is open seven days seven days from 8 am to 7:30 pm.