How Howard Carter Discovered King Tut's Golden Tomb

From the circular main hall of a University of Oxford library, a short corridor leads to a staircase that takes you down below street level. Beyond a door simply marked “Archive” is what looks like a normal office: fluorescent lights, cheap blue carpet and a row of plain gray rolling stacks. It doesn’t seem like the most fertile ground for archaeological discovery. But the hum of the air conditioner lets slip…