From Gizmodo
Satellite Imagery Reveals a 2,600 Year-Old Complex Buried Beneath an Ancient City in Egypt

Decades of excavations have uncovered layers of Buto's history, but some of its deepest secrets have remained buried.
TechBlastTechnology. Unpacked.UK & world technologyFrom Gizmodo

Decades of excavations have uncovered layers of Buto's history, but some of its deepest secrets have remained buried.