The bombing of Laos by American forces during the conflict in Vietnam in the 1960s was called the Secret War. Now a little-known story of survival has emerged, of more than 20,000 people who lived in a hidden city of underground caves for nine years. Martin Lowe travelled to Houaphanh Province in northern Laos to find out what happened.
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secret caves of laos CREDITS
CORRESPONDENT: Martine Lowe VIDEOGRAPHER & EDITOR: Adrian Callan