The map we made of the 3,000-year-old city of Tanis requires no imagination. It has buildings, streets, admin complexes, houses - clear as day.

If you find a series of linear shapes in the same alignment as known archaeological features, and they match excavated examples, you still need to excavate to confirm, but you can be fairly sure that the imagery is accurate.

WorldView-3 goes into the mid-infrared wavelength, allowing you to see very subtle geological differences on the sites at a 0.4-metre resolution.

Sarah Parcak Quotes