I have fallen so far behind in these threads. I apologize if this has been posted before.
Have you seen the Capitol building live cam? It pans very slowly, but wait for it to pan all the way to the right. So strange!!
https://www.youtube.com/watch?v=Fu5Oy708FGc&feature=youtu.be
It appears to be highly reflective, the image of the Capitol appears in it, and at night shows a red illuminated “EXIT” sign. Weird.