Imperial Citadel of Thang Long Created since 1379 belongs to the royal palace. A world cultural heritage site located in Hanoi. Vietnam Thang Long Royal Palace as well as the Rock of Southeast Asia. Built Yi Dynasty's Weed. He was honored as the history, architecture, cultural heritage. It is more than 1000 years old palace as administrative center. Thang Long ancient palace despite the magnificent heritage of the world, as elsewhere. The historic city building The ancient remains of the palace, visitors can see the marks on the ancient and history. The great battles. Vietnamese ago and is the object of criticism exams to study to this day.