Hanoi Flag Tower, a symbol of Hanoi city through the years, is still intact after the French colonial rule (Source: VNA) 
The ruin foundations of Thang Long Imperial City are preserved under a thick glass panel (Source: VNA) 
A view inside the Imperial Citadel of Thang Long (Source: VNA) 
Doan Mon, the main gate to the palatial complex of Later Le Emperors (Source: VNA) 
The North Gate of the Imperial Citadel of Thang Long remains intact in present day (Source: VNA) VNA
