Andean farmers use age-old technique amid climate change
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.