According to TechFlow, Zhu Su, founder of Three Arrows Capital and OXFUN, shared his travel experience in Brussels in a tweet, saying that several of his friends had encountered theft and robbery during their trip, and provided anti-theft advice. He reminded tourists not to carry valuables or cash, not to show off jewelry or wear conspicuous clothes, try to travel in groups, not to play with mobile phones while walking, and choose hotels instead of Airbnb.

Zhu Su stressed that tourists should adjust their behavior according to local conditions and follow local customs.