Water is crucial to the development of cities , But sometimes water is also a constraint on urban development , China's answer to this question is - build “ Sponge City ”, What is? Sponge City ? Why should China build Sponge City ? Detailed answers are given below .

Old block reconstruction has always been the type of project we are particularly interested in , Many old blocks , Obsolete facilities , Even inadequate facilities , office worker , The life of the elderly has been greatly limited , The upgrading of these old streets is imminent , For people's happy life , Many old block renovation projects are already under way .