Interested in Language
To China, many people go to a distant place by train, so the safety in the railway station is very important.
dodonaomik, lighting a cigarette and setting/starting a fire do not express the same thing; moreover, smoking (a cigarette) is not arson.
It's considered a crime in China, as well as in most places in the world,
to set paper on fire in a public place--except, that is, for cigarette paper.
放火 fàng huǒ to set on fire / arson
Actually, setting something on fire and arson are the same word in Chinese.
That should be arson in the slogan which is meant to give warning about the potential hazard of smoking.
not a teacher