Urban Spongia Utilities surrounding us

　　Recently, Jinan released the Jinan People’s Government Implementation Opinion on Accelerating Construction Work of Spongia City, clearly presented to build spongia city. In a moment, spongia city, a fresh word, attracted a lot of attention. The reporter has learned that our city has been adhering to the philosophy of spongia city in many engineering projects intentionally or unintentionally, built a batch of spongia utilities which could absorb water, stock water, seep water and purify water, and these spongia utilities are all around us.