"It's very complicated to bring a body of water into a building," director Mary Zimmerman says of the water-borne "Metamorphoses," opening Friday at Arena Stage. It's even more difficult to do so without soaking everything. For the Lookingglass Theatre Company's production of Ovid's  gods and mortals tale, Arena technical director Scott Schreck and crew built a pool from scratch on the Fichandler Stage. "You just don't see a lot of giant pools on stage," Schreck said. See how they did it:

(h/t @petermarksdrama)