Tuhia he haere tonu mo tenei whitianga - Ko te rohe o Viengxay he rohe ("muang") o Houaphanh Province i te raki-rawhiti o Laos. Kei reira nga ana o Viengxay, te Nam Et National Biodiversity Conservation Area, me te maunga o Phou Pha Thi, te waahi o te Pakanga Huna
Te Pakanga o Lima Site 85 (LS-85) 11 Poutu-te-rangi 1968.