"Well, at the risk of pointing out the obvious..." Charlotte said, leaning over the pedestal and looking down the hole, "Either something goes in here or something comes out and it'll probably be involved in opening those other doors. If you have anything long and thin you want to shove into some tight holes, now's the time."

She paused, mostly to see if anyone was going to laugh or groan, then kept going, "Anyway, I'm no art expert, so I'd say keep looking further in."