The Underground Drainage System of North City District has main tunnels that are separate and independent from each other, but the auxiliary tunnels intersect with each other at regular intervals.
By interconnecting and intersecting with each other, they indirectly link the main tunnels together.
The entire guidance system is like a giant underground maze. If one's sense of direction is poor, it is easy to lose oneself and fail to find one's bearings in the system.
To be on the safe side, Chen Yuran pulled out her tablet to turn on the location tracking, called up the blueprint of the guidance system from the information bank of the patrol bureau, and confirmed the position by comparison.
Chen Yuran proceeded a good deal along the south-bound auxiliary tunnel chosen by Li Jing, but seeing no signs of discovery, she came to a halt mid-flight using the Sky Control skill.
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Li Jing also stopped in mid-air, casting an inquiring glance at her.