Some nations asserting cultural property rights are culturally, religiously and even ethnically distinct from the civilisations whose artefacts they now claim.

You try not to let cultural property get destroyed.

As a result we identified about 40 items of uncertain provenance that are now publicly listed on the government's cultural property advice website.

It remains the largest single recovery of cultural property in the agency’s history.

That might mean sharing searchable databases or updates to laws covering the import and export of cultural property.