https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/8979908
View of the ancient structure built by Tarquinius Superbus called the Bel Lido, and like others, built by Marcus Agrippa in the time of Augustus when he cleaned all of the sewers leading to the Tiber, from Views of Rome by Giovanni Battista Piranesi
Original public domain image from Art Institute of Chicago
Public DomainFree CC0 image for Personal and Business use