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.
Worldmap met pestverspreiding . en Map of the spread of the plague org Worldmapciafactbooklarge mwhitespaceremoved US Government PDUSGov Uploaded with Plague Epidemiology
Page 2023 Free-images.com. All images are Public Domain