Entire communities across Africa and Latin America are disappearing because of an extreme form of soil erosion.

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Experts have told the BBC that gully erosion is advancing at a worrying speed thanks to deforestation and the extreme weather caused by climate change and a lack of urban planning. The BBC’s population correspondent Stephanie Hegarty hears from people in two cities on the edge of a ravine.

0:00 Intro
02:21 Jose falls into a ravine
03:11 Marisa loses her home
04:21 Disaster in Kinshasa, DR Congo
04:56 How gully erosion destroys cities
06:55 João tries to find a solution
08:00 What’s the government doing to help?

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