The original temple was positioned on the bank of the Nile, but it was raised up 300 meters by an international relocation project supported by UNESCO between 1964 and 1968 to prevent the flooding of the temple by the rising waters of Lake Nasser caused by the new Aswan High Dam.
As you walk to the rear of the temple you come to the Holiest of Holies located at the back wall, where you will find four statues of: Ra-Harakhte, Ptah, Amun-Ra and King Ramses II. This temple is unique, since the sun shines directly on the Holiest of Holies two days a year: February 21, the king's birthday, and October 22, the date of his coronation.
Read More about this ancient mystery that was featured in the Technology Through Time section of Sun-Earth Day 2005!
Some sunspots are cool enough that water vapor can form at a temperature of 1,550 °C.