THANG LONG - HANOI CITADEL DURING THE NGUYEN DYNASTY

After claiming sovereignty over the country and Thang Long, the Nguyen court realized that the old buildings of Thang Long Capital under the Le Trung Hung period was seriously degraded. Therefore, the Nguyen dynasty rebuilt Thang Long with a new role as the capital of Bac Thanh town, then Hanoi province. The rebuild also sought to meet the multifaceted requirements of the new era in defence technology such as the changes in citadel construction techniques, new military techniques of the world such as the proliferation of fortified citadels, firearms, warships along with the East-West cultural interchange.