Pablo Picasso was living in occupied Paris when a group of Nazi officers searched his apartment on the Rue des Grands Augustins. They spotted perhaps the first photograph of the vast canvas that would come to memorialise the brutality of fascist rule: Guernica.
“Did you do that?” Picasso was asked. “No, you did,” was his immortal reply.
After hanging for 40 years in the Museum of Modern Art in New York, Guernica was finally handed to Spain in 1981, with massive queues forming to see the masterpiece of modern art. Yet for decades visitors were forbidden to do what Picasso had done: photograph it.
The ban has now been lifted by the Reina Sofia Museum in Madrid, which has said that photographs can be
