It is very widespread in Viet Nam, after the victory of the Communist Party and Communist Laos in 1975 the popular influence of "big brother", Viet Nam took this concept art into the country in Viet Nam.
It is common to spread into Vietnam after the communist victory in 1975 and influenced the popular communist country's "big brother" Vietnam has embraced this art into Vietnam.
It is natural to prevalent in Vietnam after the Communist victory in 1975 and the Communist list Laos popular influence. "Big brother" Vietnam also take this kind of art into Vietnam.