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.
WP Hans Bertram. en Hans Bertram German aviator de Hans Bertram deutscher Flugpionier Newspaper Lbecker Volksbote March issue Anonymous photographer not identified anywhere AnonymousEU Hans Bertram
Page 2023 Free-images.com. All images are Public Domain