Smokers are asked to put a coin into a machine which opens doors to a special smoking area.

BBC: Smoking

Even the air smelled moderately clean, as each carriage's many smokers dutifully headed for a smoking area near the lavatory.

BBC: Changing China seen from the 'hard seats' of a train

The airport said it was responding to customer demand and the fee was covering the cost of building the smoking area.

BBC: Smoking

"This is clearly a smoking gun in the area of criminal responsibility, especially as it pertains to Mr. Quattrone, " Massachusetts Secretary of State William Galvin , the state's top securities regulator, told USA Today.

FORBES: Massachusetts Finds CSFB 'Smoking Gun'

These claims are accompanied by the statistics from one area or another and of course a significant drop in heart attacks just as the smoking ban becomes active in that area.

FORBES: Smoking Bans Do Not Reduce Heart Attacks

Obviously, the ban would take some time to phase in, but the goal is to have no smoke and no smoking-related advertising in any public area in China by 2020.

FORBES: China's New Smoking Ban--Is It For Real?

"We live in a gas chamber, " says Denis Danielevsky, pointing at several smoking chimney stacks on a hill overlooking a huge industrial area in the town of Ust-Kamenogorsk, eastern Kazakhstan.

BBC: Banking on nuclear peace in Kazakhstan