Ling Qingyu's final decision
"It's different. You're a native, who has the upper hand compared to a foreigner which you'll become when you get there." Ling Qingyu disagreed. "Here, you know how to avoid troubles and you have some connections. Besides, there will be many friends like me to help you, but when you are at overseas…"
"Sister Ling, Columbia University is one of the highest institutions, possessing a great reputation. No sane politicians would miss or give away the chances of being under attack." Mo Yunxi replied. "Furthermore, the bubble inside the huge campus is safe enough that I know for a fact—there is no danger. Wouldn't there be securities, in charge of the campus's safety?"
"Indeed, the university is safer and no officials would neglect the security aspect. However, there's a Murphy law at play. What you don't expect, expect it to happen."