Yesterday we were treated to a fascinating insight into the pictorial language used in one of the most remote parts of China.
The Naxi (Nashi) people - based in the south west of the country - use Dongba Pictograms as their main form of written communication...but with the pace of change that's taking place there, it's feared the language could die out.
In the second of two special reports, Russell Hookey rejoins students from the University of Northampton to find out more about how they're trying to preserve this ancient tradition.
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