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.
Perspectivepoint.svg own Marco Polo original upload date Marco Polo en Marco Polo Original upload log en Mintzl CommonsHelper page en Perspectivepoint svg Marco Polo bytes Made it myself Perspective drawings
Page 2023 Free-images.com. All images are Public Domain