This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Francesco Galli Bibiena Teatro Filarmonico Accademia Filarmonica Verona Italy Section and Ceiling Google Art Project. Francesco Galli Bibiena Francesco Galli Bibiena CooperHewitt National Design Museum cooperhewitt org PM Pen and brown ink brush and wash black chalk on white laid paper False AM cooperhewitt