Hello all, I today I drove down I-75 from 96 down to Downtown. I passed two vacant buildings that caught my eye:

Building 1: It's located at 20th street and Michigan, right next to the 75/96 interchange. It looks about 4/5 Stories tall and is white with graffiti all over it. What is the orgin of the building and how was it used?

Building 2: Located at the end of Abbott on 6th street. Wedged between 10 and sixth. Owner has windows will letters in them saying available and then a phone number. Black appearance and looks to be pretty tall. When was this building built and how was it used? Also, does anyone know who owns this?

I'd love to hear your responses. Thanks!