Under the mossy old gate of the Son Tay Ancient Citadel, embraced by
huge roots of 100-year-old trees, a group of teenagers were chatting and
laughing and trying to take photos of each other. Not far from them,
two young boys were fishing...
Archaeologists have discovered typical techniques applied in building
the Dai La Citadel in the 8th century at an excavation site at the
junction of Dao Tan-Nguyen Khanh Toan in downtown Ha Noi.
