Taking its name from a now-extinct tribe, Bo is one of the 10 Great Andamanese languages, which are thought to date back to pre-Neolithic human settlement of south-east Asia. Though the language has ...

But in the last 20 years since the tsunami, Great Andamanese tribes - among the most threatened Particularly Vulnerable Tribal Groups (PVTGs) - have doubled from an estimated 35 before tsunami to ...