Chicago City Hall aerial 1
![Color photo of Chicago City Hall rooftop](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/media/images/001%20green%20roof.jpg?itok=3mwD0lxb)
Detailed Description
A green roof was planted in 2000 on Chicago's 1911 City Hall building as a pilot project. (Patrick L. Pyszka, City of Chicago)
Sources/Usage
Public Domain.
A green roof was planted in 2000 on Chicago's 1911 City Hall building as a pilot project. (Patrick L. Pyszka, City of Chicago)
Public Domain.