Nabta Playa Stone Circle Documentary

Wake STEM ECHS Sources: Hill, J. (2016). Ancient Egypt Online. Retrieved from Gillan, J. (2018, August 03). Nabta Playa and the Ancient Astronomers of the Nubian Desert. Retrieved from Malville, J., Schild, R., Wendorf, F., & Brenmer, R. (2007, November 11). Astronomy of Nabta Playa. Retrieved January 30, 2019, from