Last updated: 28 september, 2010 - 15:31 GMT
Peter Rich
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South African architect Peter Rich is known for designing buildings that are visually stunning and environmentally appealing as well.
His latest is the Mapungubwe Interpretation Centre - for which he was awarded the 2009 Building of the Year Award.
He told Anna about his inspiration and about using traditional techniques and materials to create modern, and most importantly, sustainable, buildings.
First broadcast September 22nd 2010
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