Before graduating from university in 2023, Lin Xing had experienced this kind of time travel three times. Judging from these limited three experiences, he believed that the length of time he traveled back to the past should be related to the size of the danger.,"If I could go back a year, there must have been some major disaster. It needs to be reported to the national authorities so they can prepare in advance...",The middle-aged man, known as Wei's team, angrily shouted: "What are you doing! Didn't you say you were going to evacuate the school How did this person get in"。