Vanished arm of Nile helped ancient Egyptians transport pyramid materials

High water levels in a now-defunct arm of the Nile helped the ancient Egyptians transport supplies for the pyramids of Giza, a study of pollen in earthen cores reveals.

Vanished arm of Nile helped ancient Egyptians transport pyramid materials
High water levels in a now-defunct arm of the Nile helped the ancient Egyptians transport supplies for the pyramids of Giza, a study of pollen in earthen cores reveals.