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Collaboration two: Coffin burial

5 July 2012 Last updated at 17:05 BST

English painter and sculptor Bob and Roberta Smith (aka Patrick Brill) travels to Ghana to meet coffin artist Paa Joe, and work together for the BBC's Collaboration Culture project.

Together they make a sculpture to honour Pablo Picasso. Inspired by the painter's work Les Demoiselles d'Avignon, which shows the influence of African art on his work, they agree that a ceremonious burial would return Picasso to one of his most significant sources of inspiration.