Duab Noj 30 Ntawm Dien Bien Dong AllDuab Noj 30 Ntawm Dien Bien DongPL16Pl13PL14Pl15tuyen 2TsuaUntitledtuyennhung1 (3)nhung1 (2)nhung1 (1)nhung (3)nhung (2)See 2See 3See 4See 1nhung1 (5)Ntxhiav Thoj2nhung (1)nhung (6)nhung (5)nhung (4)