Jonathan Jones's top 10 art exhibitions of 2017

The inventor of modern art caps an amazing year of drawings by old masters, vast 20th-century retrospectives and the return of the YBAs
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Not many art exhibitions are truly important. They may be exciting, entertaining, absorbing – but when the dust settles and the posters are covered up with ads for the next unmissable show, nothing has really changed. This is one of the rare exceptions. Paul Cézanne, who died in 1906, has been iconic ever since Picasso and