The travelers find themselves in Lang Son, a city in the north of Vietnam, almost on the border with China. They will have to cover 180 km to reach Cao Bang, passing through the village of Phúc Sen.
The travelers find themselves in Lang Son, a city in the north of Vietnam, almost on the border with China. They will have to cover 180 km to reach Cao Bang, passing through the village of Phúc Sen.