DC -- Smithsonian Institution Building (The Castle):
[1] SICAS_190516_02.JPG
  Medium (Email) (Bigger?)
[2] SICAS_190516_05.JPG
  Medium (Email) (Bigger?)
[3] SICAS_190516_17.JPG
  Medium (Email) (Bigger?)
[4] SICAS_190516_24.JPG
  Medium (Email) (Bigger?)