Scientists have been left baffled after two mysterious air-filled spaces were discovered behind one of Egypt's great pyramids ...
The main entrance of the Menkaure is located on the northern side; experts believe the possible secret one is on the eastern ...
WHAT YOU NEED: an orange, pencil and paper. The orange should be as round as possible, so the peel represents the surface area of a sphere. STEP 2: Repeat this 3 more times. You should now have 4 ...