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.
Plan Jubilaeumsausstellung . en plan from the area of the jubilee expo in vienna de Plan von der Jubilumsausstellung Zeitung Wiener Bilder vom Mai anonymous PDold Vienna Jubilee Expo
Page 2023 Free-images.com. All images are Public Domain