It's an ordinary Monday with nice weather. As usual, at exactly nine o'clock, Gao Linghan walked into the office humming a song, made himself a cup of strong tea, and started the computer while drinking. Just as the boot music started, a loud bang was heard. Police officer Xiao Shen rushed in and shouted: "Team Gao, an explosion just occurred at XXX University, and a two-story laboratory building collapsed! I heard..."
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