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BEIJING, CHINA - MAY 30: (CHINA OUT) 'No Smoking' banners hang on the Bird's Nest on May 30, 2015 in Beijing, China. Beijing will launch new principles on 'No Smoking' on June 1 to control the smoking situation. It' said that Beijing airports, railway stations, passenger stations and bus stations will have no smoking rooms.
BEIJING, CHINA - MAY 30: (CHINA OUT) 'No Smoking' banners hang on the Bird's Nest on May 30, 2015 in Beijing, China. Beijing will launch new principles on 'No Smoking' on June 1 to control the smoking situation. It' said that Beijing airports, railway stations, passenger stations and bus stations will have no smoking rooms.

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    Indoor smoking ban goes into effect in Beijing

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Indoor smoking ban goes into effect in Beijing

CNN's David McKenzie takes a looks at how Beijing plans to enforce its newest cigarette smoking ban.

Indoor smoking ban goes into effect in Beijing

CNN's David McKenzie takes a looks at how Beijing plans to enforce its newest cigarette smoking ban.