![Indoor smoking ban in public venues comes into effect on May 1](../../../images/attachement/jpg/site1/20110505/0023ae9e15670f2c7f362f.jpg)
Photo taken on May 1, 2011 shows the warning sign of NO SMOKING at a ticket outlet in Hangzhou, east China's Zhejiang Province. A revised regulation from China's health ministry on smoking ban in public venues came into effect on May 1, 2011. (Xinhua/Han Chuanhao)
![Indoor smoking ban in public venues comes into effect on May 1](../../../images/attachement/jpg/site1/20110505/0023ae9e15670f2c7f3630.jpg)
A man orders the warning signs of NO SMOKING for sale at a plate shop in Hangzhou, east China's Zhejiang Province, May 1, 2011. A revised regulation from China's health ministry on smoking ban in public venues came into effect on May 1, 2011.(Xinhua/Han Chuanhao)
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