C2106 A Strange Place

This sewer was as tall as a person, so it wasn't difficult to walk inside. However, there were many forks in the sewer. Yang Tao had to carefully check the footprints every time to make sure he didn't follow them wrongly.

After walking around inside for a long time, Yang Tao noticed that Long Bing's footsteps had disappeared beside a metal door. If there was no surprise