![Hanoi to open citadel relic site to public](/mag/images/resized/images/stories/200811/tthanglong13_295_192.jpg)
The Thang Long Imperial Citadel was first discovered in late 2002 during excavation work to build a new national assembly on Hoang Dieu Street.
Since its excavation, scientists have unearthed vestiges originating from dynasties like Ly, Tran, Le and Nguyen dating back as far as the seventh century.