A new study reveals that mysterious structures near Egypt’s Red Pyramid may have been part of an ancient water-control system. A newly studied hydraulic system near Egypt’s Red Pyramid may provide important evidence about how ancient builders transported materials for pyramid construction more than 4,500 years ago. Mysterious Structures Near Egypt’s Red PyramidThe Red Pyramid at the Dahshur necropolis, located south of Cairo, is one of the most significant monuments from Egypt’s 4th Dynasty. Study Reveals Possible Ancient Hydraulic EngineeringThe new investigation was carried out by researchers from Paleotechnic, a private research institute based in Paris. The researchers believe other hydraulic structures may still remain buried beneath the sands of the Nile Valley.