Smoking is harmful to health. Logo upped almost everywhere all over the world . despite the warning there is a lot of smokers and knowing the harm. Some people justify they do not smoking constantly so it is not harmful significantly. At the beginning they thought it was under control but after that it come out of their hand . smoking industry is a large source of income for some countries.they could not cancel it. As far as they do is awareness campaigns. Therefore somkers have to following the instruction so as not to harm someone else such as smoking in open air and be alone