Archaeologists have long wondered how ancient workers accomplished such an architectural feat before the advent of large machinery like bulldozers and cranes. Because the pyramid sits near a long-gone branch of the Nile, researchers hypothesise that the ancient Egyptians utilised the water source to build the 62-metre-tall pyramid by designing a 'modern hydraulic system' comprising a dam, a water treatment plant and a hydraulic freight elevator, all powered by the river. They posit that the mysterious Gisr el-Mudir enclosure near the pyramid worked as a structure that captured sediment and water.
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