Increasing the 'sponginess' of cities: How can urban centres adapt to heavy rainfall?

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In the past year, many regions across France have faced "exceptional" levels of rainfall. According to the national weather agency, the country experienced on average almost 30 percent more rain than in 2023. This is partly due to climate change. But elsewhere in the world, too, many cities are experiencing significant flooding and some have decided to rethink urban planning as a result. FRANCE 24's Julia Sieger tells us more.