Flowers is among the paintings by Ali Abbas, a boy with no arms, which is going on display.
Ali used painting as a way to help him recover from a bombing raid in Iraq.
The 15-year-old has been fitted with prosthetic arms, but paints using his feet.
His work will be joined at the exhibition by that of other Iraqi artists.
Gallery curator Mark De Novellis said he was astonished at the vivid watercolours.
Mr Novellis said Ali had a "light touch" in his work.
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