Acora, Peru (AFP) Feb 10, 2024

From the sky, they look like huge, circular patterns made by aliens – but in fact, they are an age-old technique farmers have brought back to fight the climate crisis on the Andean plateaus of Puno.

On the border of Peru and Bolivia, the Waru Waru – an indigenous Quechua word that means ridge – are once again protecting potato and quinoa crops as they did in the region 2,000 years ago.
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