- Guangzhouisthecapitalofguangdong.Itisthebiggestcityinsouthchina.Anditisoneofthemostimportantcitiesinguangdong.Thepopulationofguangzhouismorethan700million.Justlikemanycities,therearealotofcars,busesandtrucks.Sotheairinthecityisnotclean.Guangzhouisanois...
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