“In that time, the Smithsonian — 19 museums including the Cooper Hewitt design museum in New York and the National Portrait Gallery (NPG) and National Museum of African American History and Culture in Washington, DC, along with the National Zoo — lost an estimated 1 million visitors. … Although national museums (except the Cooper Hewitt) offer free entry, the Smithsonian lost an estimated $3.4m in gross revenue from its gift shops, concessions and IMAX film screenings.” – The Art Newspaper