"Egypt's revolution has not only brought political upheaval, but also lucrative opportunities for illegal diggers hunting for antique treasures and gold.This sounds like the destruction of history of a massive scale. As this BBC piece notes, when you remove an item you remove its context and therefore the storehouse of information it contains about the past.
"There is ample anecdotal testimony from people living near the Great Pyramids at Giza that since the revolution large holes have been appearing in the ground there."
"Our own inspection quickly revealed evidence of what they were talking about."
History Egypt revolution brings golden age for tomb raiders: