C1921
This was one of Huzhou's dugout. Because of the hot weather, this place was also opened up for the common folk to cool down, but there was more than one exit to this dugout. Moreover, it was complicated and they could enter, but no one could bring it out.
At the beginning, Ding Changsheng was really worried about where he hid Luo Dongqiu. He asked Liu Zhendong where he hid Liu Tie