These details show above the doorway and the left side of the painting. You can see the fine lines of the white and yellow colored pencil on the black paper.
On this close up you can see the right side of the courthouse. The artist spent a lot of time getting the details for the shading, along with making the fine lines on the glass windows.
Here is a picture of the courthouse drawing, complete with the frame and matting. The courthouse picture has a reflection in the glass, but it still allows you to see how the piece looks framed and matted
