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:
. Museum model of Dinaburga Dnaburg Castle on the north bank of the Daugava River near present day Naujene Transferred from org ru transferred to Commons by User Vilensija using de php CommonsHelper Original uploader was at org ru Released into the public domain by the author ru Original upload log page ru BA