Final Chapter of the Extraordinary Records of the Civil Investigation Bureau.

Summary

Summary of the text: A meeting at a polling bureau discusses a mysterious incident involving an exploration team in Northwest China. During a geological survey, 11 team members were trapped underground. Three rescued investigators showed signs of mental illness, claiming to have encountered ghosts. Multiple team members died under bizarre circumstances, including self-mutilation and suicide. The incident raises questions about the team's mental state and the unexplained events that occurred during their underground exploration, creating an atmosphere of tension and uncertainty.

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