All right, so Andrew's got a fair point there. Daniel's seen more than enough planets in various stages of pre-modern day Earth technological advancement. But the gas combined with the glass isn't just poor building design, it's really, really setting all of Daniel's nerves on edge.

"Maybe we, uh," he shuffles to the middle of the room, eying the lamps with serious trepidation, "shouldn't stick around. What if something...?" He gestures vaguely upward to indicate a failure in building stability, or the glass collapsing under the water pressure and drowning them both, or any of the innumerable bad things that could happen with this much glass in the room.