How Many Days Do You Need in Cao Bằng?
If you can spare four full days in Cao Bằng, that is where I would start. Three days is enough for a proper loop with nights away from the city, but it asks you to choose…
If you can spare four full days in Cao Bằng, that is where I would start. Three days is enough for a proper loop with nights away from the city, but it asks you to choose…