via Nhan Dan, 23 November 2020: Hanoi celebrates the 10th anniversary of the inscription of the Thang Long Citadel into the World Heritage list.
The government of Hanoi held a ceremony on November 23 to mark the 10th anniversary of UNESCO’s recognition of the Thang Long imperial citadel as a world cultural heritage site.
The site was officially added to the UNESCO register in 2010, exactly 1,000 years after Emperor Ly Thai To established the Vietnamese capital in Dai La, which he later renamed Thang Long, meaning ascending dragon.
The ceremony began with an incense offering ritual, followed by a performance that re-enacted the moment the first Ly emperor relocated the imperial capital from Hoa Lu to Thang Long.
Source: Hanoi marks 10th anniversary of world heritage status for imperial citadel – Nhan Dan Online