This is the first image of six made for the 2018 International Pinhole day, which was Sunday April 29th of this year.
Central courtyard and tower of Fort Lancaster, a recreation of the 1840's trading fort located in what is now Fort Lupton Colorado. The fort was created by the The South Platte Valley Historical Society using building methods of the time.
Specifics: Image made with a Travelwide 4x5 camera and a f/285 pinhole, film is Fuji Neopan Acros 100 4x5 sheet film. Normal development with Clayton F76+ developer.