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.
Pietro Gualdia. en Interior de la Universidad de Mexico below neat line Gualdi Lito Lito frente al Correo No Within image at lower left Gualdi dsloan html Pietro Gualdi PDold Pietro Gualdi Uploaded with
Page 2023 Free-images.com. All images are Public Domain