Date:Apr 16, 2013

There are more than 7,000 languages currently spoken in the world but many aren’t recorded and don’t have a written form. Unesco warns that by the end of this century, more than half of these are likely to disappear.

One of those dying languages is Wichita – a native American tongue. Doris McLemore, 83, is the last fluent speaker of Wichita.