The Legend of Situ Shankong.

Summary

In this passage, Qin Bu Kong and the narrator are searching for Song Zi, who disappeared while investigating the Iron Gate Pass. They learned from local elderly men that Song Zi was inquiring about the area's underground pipe networks and civil defense pipeline project. Carrying new tools like shovels and chisels, Song Zi seemed determined to find something hidden by a senior. They suspect he entered through the sewage system and might be in danger. Their plan is to search within a 300-foot radius of Iron Gate Pass, focusing on inconspicuous locations and rainwater manhole covers, hoping to find clues about Song Zi's whereabouts or potential fate.

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