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.
Keywords from Image Description:
Patarei nr b. en Battery No of the rd Artillery Regiment Commander of the battery Captain Johannes Roska in the middle et suurtkivepolgu patarei Keskel patarei lem kapten Johannes Roska Vabadussja Ajaloo Komitee populaarteaduslik vljaanne Eesti Vabadussda Tallinn Vabadussja Ajaloo Komitee lk author Estonian War of Independence