C117 Deadlock
There were a lot of abandoned factories in the suburbs. This used to be a production park, but it had to be replanned and renovated later on, so most of the factories moved away. Chen Fei and the others didn't know the exact location of the factories, they only knew it was in the northernmost area.
Chen Fei was afraid that something would happen to Shen Jiaqi if he was too slow