© Licensed to London News Pictures.04/02/2014. London, UK. A member of staff looks at David Hockney's lithograph 'Views of Hotel Well III' during a press view of the 'Hockney, Printmaker' exhibition in Dulwich Picture Gallery.The gallery celebrates 60 years of the British artist David Hockney's printmaking. Photo credit : Peter Kollanyi/LNP
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