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.
Ivangorodin linnoitus. fi Ivangorodin linnoitus Arvi Korhonen Hakkapeliittain historia Porvoo Anthonis Goeteeris PDold Ivangorod fortress Castles in art
Page 2023 Free-images.com. All images are Public Domain