Chinese Sponge Cities (video)

What is the primary purpose of sponge cities in China?

• To absorb and reuse rainwater

• To build more roads and highways

• To increase urban population density

• To reduce the number of parks in cities

How many sponge cities is China planning to build by 2030?

• 10 sponge cities

• 20 sponge cities

• 50 sponge cities

• 30 sponge cities

What percentage of urban areas in China is expected to absorb and reuse at least 70% of rainwater by 2030?

• 50%

• 60%

• 80%

• 90%

Which city is mentioned as having transformed a drainage ditch into a green space?

• Zhang Zhao

• Wuhan

• Shanghai

• Chongqing

What natural disaster has affected 24 provinces in China since June 2021?

• Droughts

• Earthquakes

• Tornadoes

• Floods

What feature is used in sponge cities to help control water flow?

• Concrete barriers

• Underground tunnels

• Steel pipes

• Artificial dishway lake

What is one of the main causes of flooding in urban areas of China?

• Urbanization

• Decreased rainfall

• Increased wildlife

• Higher sea levels

What innovative technology does Chongqing use in its sponge city project?

• Geothermal heating

• Wind turbines

• Solar energy panels

• Smart storm water control system

What type of bricks are used in the renovation of roads in sponge cities?

• Clay bricksConcrete bricks

• Water absorbent bricks

• Concrete bricks

• Plastic bricks

What was the investment amount for Zhang Zhao's redesign as a sponge city?

• Over 80 million dollars

• Over 100 million dollars

• Over 50 million dollars

• Over 30 million dollars