Tiengcong - Nam Dao - Bog

American and French tourists arrive Sapa, a region in North Vietnam where the Hmong people lived since immemorial time...Suddenly, the echo of Gong, a musical instrument with deep sounds and melodies, resounded faintly and created an indelible impression...Its echo awakes the wound that has never healed yet and still revealed the identity of the people in this far away mountain region...