Source: http://en.wikipedia.org/wiki/File:Ferhadija-Moschee,_Banja_Luka_April_1941.jpg
Author: Alfons Schreiner
431px-Ferhadija-Moschee,_Banja_Luka_April_1941
Digital Libraries and Knowledge Platforms Department
Network Services Department – Poznań Supercomputing and Networking Center