Bicycle - 'Special weapon' in Dien Bien Phu campaign

One of the main and extremely creative means used in the logistics work serving the Dien Bien Phu campaign was the "bicycle pack" force. At that time, bicycles were a valuable asset, not every family could buy one. To own one, it had to be owned by well-off families, and to be able to ride one, one had to register and get a license plate. However, patriotic people were still willing to voluntarily contribute to the revolution to serve the front line. During the Dien Bien Phu campaign, 20,991 bicycle packers were mobilized to participate in the campaign and created a feat called Dien Bien Phu.

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Source: https://www.youtube.com/watch?v=-d9gHWqjW50