Throughout history, dams have been designed to control and stabilize water flow and sustain communities. Take a trip to Aswan Dam and find out what functions it serves in the area.
You'll have sightseeing choices galore when staying in Aswan. Aswan Dam is a good place to begin here, but there are many other worthwhile places to experience. Philae Temple, Philae, and Temple of Isis are close to the man-made water barrier and will fill in your day nicely.