While some artifacts can never be displayed, many pieces that can--and should-- be viewed are not. Whereas a museum designates areas for visible storage, it uses space efficiently, providing safe displays for artifacts and allowing visitors greater access to independently study the works that make the museum unique.
At this point the writer is considering adding the following parenthetical phrase (whether because of light sensitivity or the request of a donor). Given that the information is accurate, should the writer make this addition here?