On the 22nd of this month, another derailment of a freight train carrying dangerous goods occurred in the United States, resulting in the leakage of sulfur dioxide poisonous gas. It coincided with the Thanksgiving holiday. It can be said to be "thanking God with poisonous gas." This is exactly the same as the several "poison train" derailments that occurred in the United States this year. The official follow-up treatment was also the same. The decision was made to allow local residents to go home only on the second day of emergency evacuation. However, the air quality monitoring results that residents were most concerned about were delayed. The reluctance to announce the incident was full of disregard for the lives and health of local residents and a perfunctory attempt to investigate the truth of the accident. Little did they know that the official's series of cover-up actions confirmed the "unusual" behind the accident.All Rights Reserved