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.
Yuri Kondratyuk board SPb. Marble plaques line building Vasilievsky Island SaintPetersburg Russia The title on the memorial plaque In Yuri Kondratyuk lived in this building who is one of founders of astronautics he has made here his main discovery calculations of an
Page 2023 Free-images.com. All images are Public Domain