Valyrian language Photo: http://gameofthrones.wikia.com
What was the real Tower of Babylon? Why do humans speak so many languages, sometimes over small geographical distances? On this little planet we speak over 7000 distinct languages, but they're unevenly spread - a massive country might be home to many times less languages than its smaller cousin.
Simon Morton speaks to Michael Gavin (Associate Professor of Human Dimensions of Natural Resources, Colorado State University).
