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Homeless man John Dolans artwork on show

27 September 2013 Last updated at 09:09 BST

London is home to a thriving modern art scene, with people coming from all over the world to work and exhibit here.

One man whose work is being well received is John Dolan - but he is not professionally trained, well travelled, or a figure who you would describe as in vogue.

The BBC's Tom Donkin went to meet him.

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