an illustration of a city with a lake in the middle of it

Opening scene: City streets are flooded with torrential rain, vehicles are impassable, and people are trapped in water. Narrator: The acceleration of urbanization has led to increasing flooding and water pollution within cities. In order to solve these problems, people have begun to explore a new urban planning and design concept - sponge city. Screen switch: Showing the concept map of the sponge city and the actual construction scene. Narrator: By mimicking the principles of natural ecosystems and using the natural systems in and around the city, sponge cities can minimize floods and water pollution within the city, and improve the city's ecological environment and sustainable development capacity. Screen Switch: Showing the concept of the rain garden and the actual construction scene. Narrator: Rain gardens are an important measure in sponge cities, which is a system for collecting, purifying, storing and utilizing rainwater through the design and construction of green spaces such as gardens, parks, and squ