The stunning and glorious caves are the most outstanding feature of Halong Bay.
With thousands of islands and hundreds of limestone caves, Halong Bay is like a natural museum where tourists can learn more about geology and biology.
When mentioning the most stunning caves in Halong Bay, tourists will list many well-known caves such as Sung Sot Cave, Dau Go Cave, Trinh Nu Cave and
Thien Canh Son Cave.
As its name suggests,
Thien Canh Son Cave offers tourists with the impressive beauty like a fairy land.