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Cuba’s censorship of Tania Bruguera’s art makes her message more powerful
In a way, the disruption completes the performance
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Forum: Does London need the Smithsonian?
Edwin Heathcote and Neale Coleman discuss the Smithsonian’s plans to open an outpost in the ‘Olympicopolis’
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Letter: James Turrell in the wilds of Norfolk
Turrell has transformed Houghton Hall with his powerful, mesmerising light installations