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Archaeologists Hoist 22 Blocks of Alexandria’s Lighthouse for Virtual Reconstruction

CNRS researchers are integrating these monumental fragments into a detailed 3D model to test hypotheses on the structure’s ancient engineering.

Overview

  • The PHAROS project team raised 22 sandstone and granite blocks weighing 70 to 80 tons each from the seabed off Alexandria.
  • Recovered elements include massive foundation slabs, threshold stones of a monumental gate and newly identified Egyptian-style pylon fragments.
  • Specialists have digitally mapped and scanned more than 100 additional underwater remnants to complete the archaeological record.
  • Experts from CNRS, Dassault Systèmes La Fondation and Centre d’Études Alexandrines are measuring and positioning each block in a virtual framework.
  • Researchers aim to reconstruct the lighthouse’s original three-tiered design and illuminate its pioneering 300 BC maritime engineering.