When it was moved into its climate-controlled storage space (an avowedly secret location, though a regional French paper posted a video at the time of the tapestry headed to another museum in Bayeux), the folded up paravent was encased inside protective wooden crating. Lewis says it reminded him “of the kind of box they put the Ark of the Covenant in in Indiana Jones.”But the tapestry would require more sophisticated packaging than the lost ark, which is where the international art-logistics firm Hizkia came in. The company’s approach to protecting the tapestry involved manufacturing two crates, one to nestle inside...