Traditional Ao Dai

1,200 female cadres, workers, civil servants and laborers of TKV will perform in traditional ao dai on the shore of Ha Long Bay. Photo: Nguyen Hung

1,200 female workers perform in Ao Dai on the shore of Ha Long Bay

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Quang Ninh - The "Vietnam Coal - Mineral Coal - Mineral Coal Ao Dai Festival" organized by the Ha Long Bay Coal - Mineral Trade Union will have many attractive activities.