‘I had designed it a little too small’: Abraham Poincheval on spending a week inside a sculpture of himself

He’s lived within a boulder, hatched a nest of hen’s eggs, and now plans to encase himself in a beehive. Is this France’s most extreme performance artist –and how does he go to the toilet? Last month, in a smart gallery in Paris, the back of a sculpture was removed and a man was lifted out. He looked around, disoriented, as his body slowly unfurled. A doctor rushed to his side and, after inspecting him, announced he was in good health. The crowd cheered. He’d been i