Thinking about it carefully, it's actually not hard to understand.
Since it's a rescue call, it must mean being trapped somewhere without being able to get out.
In this situation, how do you deal with the call of nature?
No doubt it's solved on the spot.
No matter how civil one tries to be, biological needs can't be ignored; it's all in and no out, unless you're a mythical beast.
They walked until they reached the corner, where Xiao Feng and the others stopped.
A large pit appeared in front of them, as wide as the passage, but five meters deep, and an astonishing ten meters long!
Inside the pit, more than ten people lay scattered and askew, and upon seeing Xiao Feng and the others, they became excited and said, "You've finally come!"
Xiao Feng furrowed his brows slightly and said, "Are you all blind? You couldn't see such a big pit? Jumping in one or two could be understandable, but all of you jumping down together?"
