Passengers commute in tour boats passing rice fields along Ngo Dong river in Tam Coc, a part of the Hoa Lu limestone mountain range, around 120km from Hanoi, in Ninh Binh province, Vietnam.

Passengers commute in tour boats passing rice fields along Ngo Dong river in Tam Coc, a part of the Hoa Lu limestone mountain range, around 120km from Hanoi, in Ninh Binh province, Vietnam.
