German media issued a document saying that "Zhengzhou flood, no drainage system can cope", what problems are reflected?
Published by Deutsche Welle. First of all, it reflects the heavy rainfall in Zhengzhou. Deutsche Welle quoted a flood disaster expert from the University of Siegen as saying? Zhengzhou has no drainage system to cope with floods? This fully reflects the heavy rainfall in Zhengzhou; Secondly, there is no problem with Zhengzhou drainage system. After the rainstorm and flood in Zhengzhou, many people questioned Zhengzhou's urban drainage system. The problem of Deutsche Welle shows that it is not the problem of Zhengzhou's drainage system. Finally, protecting the environment is imminent. The extreme weather in recent years is related to global warming, which also highlights the importance and urgency of environmental protection.
First, the heavy rainfall in Zhengzhou. Deutsche Welle said in a document that there is no drainage system in the world that can resist the rainstorm in Zhengzhou, which fully illustrates the once-in-a-lifetime heavy rainfall in Zhengzhou.
Second, there is no problem with Zhengzhou's drainage system. Although Zhengzhou's drainage system is the best in China, even the most advanced drainage system in the world can do nothing in such extreme weather. Therefore, the drainage system in Zhengzhou is not the main cause of this flood.
Third, protecting the environment is imminent. In recent years, many extreme days in the world, such as heat wave and rainstorm, are related to global warming, which also reminds us that it is urgent to protect the earth and change the status quo of global warming.