The Sanctuary of Phou Asa Mountain, one of the archaeological sites of Laos, whose mystery of its origins remains intact, dates back to Xe-XI century. The <i> Lao </i> consider it to be the ancient fortress of a king of the Attapeu (Ban Khiet Ngong). <a href="https://en.wikipedia.org/wiki/Laos" class="extiw" title="en:Laos">Laos</a>.
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