human
Look at them, exclaimed Leon.
gpt
They must have used these for living quarters when things were quiet.
human
I guess they did, agreed Jacques.
gpt
If they're all like this they're pretty good size too; this one must be six feet wide and nearly thirty feet long.
human
See those logs on the ceiling; they're a foot in diameter at least.
gpt
Yes, but they're not shell-proof. They have to be deeper in the ground than this to be safe from high explosive shells.