American criminal lawyer Deng said that if you enter a homeless area, you must never stop to take pictures. For him, more than half of these people may be drug addicts and more than half are insane, and the police can't help him. Why don't you let him go to prison and have food, so that they are not afraid of breaking the law, so what's the use for him to film me? In other words, most of them are mentally ill, and they will wonder if the government sent someone to take my photo and did something illegal. It is a terrible thing for them to be photographed.
When traveling, you should know the local situation in time to avoid accidents due to some behaviors.