Adrian Searle's top 10 art shows of 2014

Richard Serra defied gravity and Camille Henrot set loose a mechanical snake, but Matisse proved a cut above – our critic picks the best art shows of 2014For almost three months, the ex-KLF frontman and art world irritant ferried daffodils beneath Spaghetti Junction, held knitting circles, shone shoes, swept roads, made soup, rang bells and talked his way round the city as part a mammoth world tour, due to continue until 2025. No, it wasn’t great art, but it was heartfelt, engaging, stupid a