@CNN: What are ‘sponge cities’? They may just be China’s answer to flooding in urban areas https://t.co/T8cVmCod0m https://t.co/MDjtKiMqx1

September 18, 2017 / The Arbiter / CNN

@CNN: What are ‘sponge cities’? They may just be China’s answer to flooding in urban areas https://t.co/T8cVmCod0m https://t.co/MDjtKiMqx1

What are ‘sponge cities’? They may just be China’s answer to flooding in urban areas https://t.co/T8cVmCod0m http://pic.twitter.com/MDjtKiMqx1

— CNN (@CNN) September 18, 2017

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