The future is round: why modern architecture turned doughnut-shaped

From GCHQ to the Apple campus, huge disc-like buildings are popping up around the world. As artist Simon Denny warns, they betray a world with no corners in which to hide“Whenever I draw a circle, I immediately want to step out of it,” Buckminster Fuller once said. Unfortunately, the public thought the same when the architect tried to flog them his circular houses. But if we’re not living in circles in the 21st-century, we’re increasingly finding ourselves working in them