https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14021371
Fairmont Park Waterworks, Philadelphia, Pennsylvania: buildings on the banks of the Schuylkill river. Photograph by Francis Frith, ca. 1880.
Original public domain image from Wellcome Collection
Public DomainFree CC0 image for Personal and Business use