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.
Domtechuch. en dom tekhnicheskoy ucheby constructivist building in Peterburg own messir Cczero Constructivist architecture Saint Petersburg State Technological University of Plant Polymers
Page 2023 Free-images.com. All images are Public Domain