It's a Wednesday night in south-east London and dozens of intrepid young single people are sitting cross legged on the floor and looking up at a disrobed life model. "Am I doing feet again?" I ask, ...

Alida Pepper was staring down depression. Stuck in her apartment in San Francisco, she worried that all the plans she’d made were about to unravel. For months, Pepper, a full-time life drawing model, ...