Tourist boat on the river leading to the Phong Nha cave, Viet NamKeywords:Vietnam, Viêt Nam, ベトナム, Đồng Hới, Dong Hoi, Phong Nha, cave, writing, river, boat Back to the Phong Nha Cave | April 29, 2018 105 mm, 1/100s, f/5.6 AF 105mm f/2.8 D micro Location | |