An extensive exhibition in the Museum Ludwig in Cologne presents the first European retrospective and retraces the complexity and diversity of Yvonne Rainer?s work....
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Cologne Cathedral looks back at a long and eventful history. The inauguration of Gerhard Richter's stained glass window for the South Transept adds a new chapter, bright with 72-colour, frame-breaking abstraction. By Petra Kipphoff
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