DC -- Natl Building Museum:
[1] BLDG_210806_01.JPG
  Medium (Email) (Bigger?)
[2] BLDG_210806_07.JPG
  Medium (Email) (Bigger?)
[3] BLDG_210806_16.JPG
  Medium (Email) (Bigger?)
[4] BLDG_210806_21.JPG
  Medium (Email) (Bigger?)