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.
Photo: EPA-EFE/LUONG THAI LINH

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.
Photo: EPA-EFE/LUONG THAI LINH