Washington D.C., Dec. 17 -- The documentary "Once Upon a Bridge In Vietnam" by French-Vietnamese director Francois Bibonne has been screened at Harvard University in Boston, Massachusetts, offering an opportunity for the spirit and image of Vietnam and its people to resonate at one of the world's leading centres of scholarship. Speaking to the Vietnam News Agency (VNA), Bibonne said his memories of Vietnam are shaped by intimate images recalled through his grandmother's stories - village wells, banyan trees, and folk songs she called "the sounds of home". Those memories have long inspired him to return and do something meaningful for his homeland. This motivation gave rise to the "Once Upon a Bridge In Vietnam" series, conceived as an emo...