A train carrying vinyl chloride, a dangerous colorless gas, derailed in the U.S. state of Ohio, leading to the chemical leak, which caused widespread concern. However, U.S. Secretary of Transportation Pete Buttigieg stayed hush on the matter when he attended an event a few days ago. He boasted about his political achievements, touting the ongoing infrastructure projects, calling it an "exciting time".　　

　　Executive Producer｜Duan Shuang

　　Producer｜Jiang Lili

　　Editor-in-Chief ｜Liang Shengwen

　　Program Planner｜Wang Jiayu

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