Co Loa Citadel
Cổ Loa Citadel is an important fortified settlement and archaeological site in present-day Hanoi's Dong Anh district, about 16 kilometers northeast of Hanoi city center.
Cổ Loa Citadel is an important fortified settlement and archaeological site in present-day Hanoi's Dong Anh district, about 16 kilometers northeast of Hanoi city center.