Thien Huong grotto is part of Tam Coc – Bich Dong tourist complex located in Ninh Hai commune, Hoa Lu district, Ninh Binh province (Photo: VNA) |
This grotto is wide, located on mountain and looked very much like a colossal lightwell since the ceiling of the grotto is a hole (Photo: VNA) |
It has also another name – Sky Grotto (Photo: VNA) |
Thien Huong grotto is a can’t-miss destination for any visitors coming to Ninh Binh province (Photo: VNA) |
(Photo: VNA) |
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