There is mounting pressure to return the Parthenon marbles to Greece. The return of looted items from Iraq may be an early indicator of things to come:
Thousands of ancient cuneiform tablets, taken from the country during periods of war and conflict, were part of the artifacts returned to Iraq recently. Credit: Public Domain
https://greekreporter.com/2021/08/06/looted-artifacts-returned-to-iraq-could-open-path-for-parthenon-marbles/
This is a nice summary