A look at a local tribe in Thailand which miraculously survived the 2004 Indian Ocean tsunami

This week, Thailand marked 20 years since the Indian Ocean tsunami in 2004. Five thousand people were killed, but a local tribe managed miraculously to survive with almost no casualties among them. Saksith Saiyasombut visited them and found that 20 years on from surviving the tsunami, they are facing a threat of a different kind.