1.They are very famous for its cultural value.
2.Ngoc Lu bronze drum is considered the most beautiful drum of the Dong Son culture.
3.It is now preserved at the National Museum of Vietnam History in Hanoi.
4.They are designs of stylized peacock feathers.
5.The bands of animal figures include short –bill birds, the long –bill birds and deer.
6.It symbolizes the brilliant peak of the Dong Son culture.