• The modern artists who loved cycle racing
• Relabelling objects at the British Museum
• Cultural heritage under threat in Tunisia
• The new buildings in Berlin that look back at the past
Plus: The pastels of Rosalba Carriera, the prints of Bridget Riley, Jacob Lawrence’s reckoning with the history of the United States, and previews of TEFAF New York online and Asian Art in London
What happens when an artist wants to be anonymous?
An Austrian museum is hosting a show by an unnamed artist – but perhaps this act of secrecy will help us see the work more clearly