Pyramids were constructed 1000s of years ago but some facts about them are still astonishing
Rose J. Regalado68 Degrees Inside
You’d think that in the scourging heat of the desert the pyramids too would be boiling. But surprisingly, the inside of the pyramids are cool. The temperature inside the pyramids is maintained at about 68 degrees Fahrenheit.
The air shafts inside the pyramids help to maintain coolness inside.