ON May 18,Beijing proudly announced the start of the Ninth China(Beijing)International Garden Expo,embracing another chance to showcase its beauty to the world following the 2008 Beijing Olympic Games.The Expo will close on November 18,after a 6-month run.The site of the Beijing Garden Expo is located on the banks of the Yongding River in southwestern Beijing,built over a former constructionwaste landfill.Cutting-edge ecological
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