-
Visitors must walk about one kilometre from the Thung Ui forest entrance, climbing stone steps to an elevation of over 100 metres.VNA Photo: Thùy Dung
-
Vietnamese and international scientists have conducted research at Hang Boi since 2007, uncovering evidence that has contributed to understanding prehistoric life in Ninh Binh's limestone mountains. VNA Photo: Thùy Dung
-
Visitors must walk about one kilometre from the Thung Ui forest entrance, climbing stone steps to an elevation of over 100 metres. VNA Photo: Thùy Dung
-
Visitors must walk about one kilometre from the Thung Ui forest entrance, climbing stone steps to an elevation of over 100 metres.VNA Photo: Thùy Dung
-
Beyond its natural beauty, the site holds archaeological evidence, including mollusc shells near the entrance, offering insights into how prehistoric inhabitants obtained food and adapted to their environment. VNA Photo: Thùy Dung
-
Beyond its natural beauty, the site holds archaeological evidence, including mollusc shells near the entrance, offering insights into how prehistoric inhabitants obtained food and adapted to their environment. VNA Photo: Thùy Dung
-
The cave extends approximately 60–70 metres and features stalactites and stalagmites formed over millions of years. VNA Photo: Thùy Dung
-
The cave extends approximately 60–70 metres and features stalactites and stalagmites formed over millions of years. VNA Photo: Thùy Dung