@CNN: What are ‘sponge cities’? They may just be China’s answer to flooding in urban areas https://t.co/Ko8OcUeNl8 https://t.co/kiR4du2oGy

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/Ko8OcUeNl8 https://t.co/kiR4du2oGy

What are ‘sponge cities’? They may just be China’s answer to flooding in urban areas https://t.co/Ko8OcUeNl8 http://pic.twitter.com/kiR4du2oGy

— CNN (@CNN) September 18, 2017

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