A friend informed me that this is Autoeater, by German artists Venske & Spänle, installed July 2017, and was scheduled to be in place for three years. Thanks to Linda Rigby.
Published by G. M. Lupo
G. M. Lupo is an author and award-winning playwright from Atlanta, Georgia. His work has been performed at Merely Players Present in Doraville, GA (2019), Academy Theatre in Hapeville, GA (2018), and The Essential Theatre in Atlanta (2017). He is a member of the Dramatists Guild and the Independent Book Publishers Association. His most recent publication is Atlanta Stories: Reconstruction (2020), available at all online book sellers. View all posts by G. M. Lupo