C158
Ding Qian walked to the middle of the pool, touched the knee-deep water and found something.
He lifted the thing out of the water. It was a black waterproof bag. It was heavy, and he didn't know what was inside.
When the people below saw him pull out a black bag from the pool, they were silent for a moment and looked at him curiously.
Ding Qian slowly climbed down