[The dog seems to take his question into consideration, giving the air a sniff, but nothing appears to call to her. She lets out a low whine, then circles once before pointing herself back at the same point on the wall, shaking her head. Sighing, Petra presses her lips together, then looks to her two companions.]

The tunnel is so narrow ahead, I do not know if we would be able to be getting through, anyway. Does either of you know of anyone who might be able to analyze what we found on the sand?

[Nadine comes to mind, but perhaps one of them would know better.]