translation.en: But this last time, just coming round, right now, suddenly, there'd be huge changes in the environment, in the concentration of people, and it was just unbelievable, the amount of -- all the change in it.
translation.zh: 但是这最后一次访问，如果是现在， 突然间环境改变了很多， 到处都是人， 这简直是不可思议，多少事情变化了。