human
Strange! he ejaculated, after he had been carefully examining a long fissure and thrusting his fingers into it.
gpt
These stones appear suspiciously as if they have been placed here to block up an entry.
human
What causes you to think so?
gpt
Because the stratum runs at a different angle to the rest of the stone. There must be some opening beyond.
human
Cannot we force an entrance?
gpt
Yes, he said.
human
We must break down this barrier. But how?
gpt
Why not blow it up with powder?
human
Excellent!