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.
KronprinzRudolfBrcke . Wien KronprinzRudolfBrcke Vienna Museum unknown scan by Invisigoth public domain because of age years PDArt Erste Reichsbrcke Black and white photographs of bridges
Page 2023 Free-images.com. All images are Public Domain