Opening up the Smithsonian slowly and safely during COVID-19

How is the 173-year-old, sprawling Smithsonian Institution slowly starting to welcome back the public? Of the world’s largest museum, education and research complex, only two attractions are currently open: the National Air and Space Museum's Udvar Hazy Center and the National Zoo. John Yang visited both to see how they are adapting, as part of our ongoing arts and culture series, Canvas.