Top 10 Plundered Artifacts

History is big business. Plundered art and antiquities trade to the tune of at least $3 billion a year, much to the chagrin of nations struggling to reclaim their lost artifacts. In honor of a recent spat between the Egyptian government and the Louvre museum in Paris over the fate of fresco fragments, TIME examines 10 plundered antiquities and the conflicts they've created.