C212 Go to the outer mountains of the mountains(4)

I nodded and looked again at the opposite ravine, thinking how desolate this place is, that ravine doesn't seem to have a way to go in, oh, I understand, didn't I say before that the ravine was sealed off, and after so many years no one came in or out, how would I get in? If he couldn't find a place to rest, then he might have to set up a tent to sleep tonight