[A look.] Thank you so much for that, I wasn't sure you know. I was thinking along the line of crystals. [Watching the man a moment, he thinks he can tell what he's doing there, listening for a tell tale hum. The Doctor goes to the opposite wall, feeling for hidden panels, pressure sensitivity, anything where the lights can be turned off.]

Unless the bulbs last for a very long time, there has to be a way to turn off the power.

Have you noticed how so few have commented on the lights? Out here, I thought it would have made quite the buzz. I'm the Doctor, by the way.