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President Ho Chi Minh received Lao President Kaysone Phomvihane in 1966 in Hanoi. Photo from archives

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A touching image of Vietnamese volunteer soldiers and their Lao friends at a farewell in 1961. Photo from archives.
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Vietnamese engineering troops (Company 5, Regiment 217) quickly detonating bombs left by the U.S in the Sam Neua airport in 1972. Photo from archives.

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Laos-Vietnam In-Combat Alliance before the battle in 1946. Photo from archives.
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Laos-Vietnam In-Combat Alliance in Lao Bao (Quang Tri province) in 1946. Photo from archives.
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Vietnam Red Cross Society (VRCS)'s Hospital in Xiengkhuang (Laos) was built according to an agreement signed between the two Government in 1960. Photo from archives.
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Vietnamese military expert training female artillery unit of Pathet Lao Force how to use a12-barrel gun. Photo from archives.

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Lao President Kaysone Phomvihane visiting an unit of Vietnamese volunteer soldiers in Laos in 1970. Photo from archives.

Translated by Song Anh