Friendly reminder that we know how the Great Pyramids of Giza were built. They used water elevators, water pump impellers ("Sekhem-mu Machine"), and compound pulleys. No, they didn't use mind control, energy manipulation machines, or lost technology lmao
In the West Sahel, farmers recover degraded land and prevent desertification by digging half-moon holes. Also called “zai pits”, the ditches capture scarce rainwater and direct it toward growing plants, helping reforest the edges of the southern Sahara