“No idea.”
“It can’t be more than nine or ten.”
Picking up a small piece of stone that lay on the floor, Nick started along one of the walls, tapping on every rock.
Chick took his cue, and began doing likewise.
Suddenly Nick paused.
“Smell anything, Chick?”
“I was just going to ask you the same question.”
“What do you think it is?”
“Gas.”
“That’s what I think.”