In 1979, Mark Lehner and James Allen started work on the first comprehensive mapping of the Sphinx. They studied its structure and geology and documented every detail they could, from the ancient masonry layers and tool marks to the geological stratification of the surrounding area. Their goal was to determine how and when this iconic monument was built and to document its then-current state of preservation.
For more than 35 years most of this data remained inaccessible, but thanks to a grant from ARCE's Antiquities Endowment Fund the original project data is now online and available to the public for study. This archive is especially important as many of the details documented at the time are no longer visible. If you'd like to search the data yourself, good starting points are the project home page or try browsing some of the over 5500 photographs and 364 maps and drawings and see what you find!
While preparing the Sphinx Project data to go online, we realized it was the perfect time for us to revisit the Sphinx itself. Under the Direction of Zahi Hawass, Field Directors Mark Lehner and Glen Dash started the Return to the Sphinx Viewing Project this year to document the changes that have occurred over the intervening years. In addition to a systemic survey, we were able to use new technologies to take a (literally) deeper look by using ground penetrating radar to peek under the base of the Sphinx in search of new information on its internal structure and to look for evidence of unknown grottoes. The data from this new work is still being analyzed, but our preliminary results will be published soon. Stay tuned!
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