
For thousands of years, archaeologists and grave robbers have searched every nook and cranny of the Great Pyramid, second-to-last resting place of the ancient Egyptian ruler Khufu — but the ancient tomb has held onto a few secrets.

For thousands of years, archaeologists and grave robbers have searched every nook and cranny of the Great Pyramid, second-to-last resting place of the ancient Egyptian ruler Khufu — but the ancient tomb has held onto a few secrets.