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.
Ricci Guangqi. en Matteo Ricci and Paul Xu Guangqi From Athanasius Kircher La Chine Illustre Amsterdam matteoricci org html author pxpxpx PDold Uploaded with China in European engravings China in the th century Matteo Ricci Xu Guangqi IHS China Illustrata
Page 2023 Free-images.com. All images are Public Domain