What are the obelisks of Heliopolis?
The mighty stone monuments of ancient Egypt known as obelisks, a word derived from the Greek obeliskos, meaning “skewer” or “spit,” were known in Egyptian as tekhenu, which means “to pierce.” These monolithic, four-sided, pyramid-topped pillars rose high into the Egyptian sky, symbols of the sun god, Ra, and of sun … What was Nectanebo…