The Director of the National Gallery, Dr Nicholas Penny has thanked the Van Gogh Museum for the unprecedented loan of a sunflower painting.
'This exhibition is designed to help those for whom the paintings by Van Gogh are compelling images to understand how they were made - and made again - and out of what materials' he said.
'It will deepen every visitor's appreciation of the artist. We are very grateful to the Van Gogh Museum for making this possible.'
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