The memorial to inhabitants of <a href="//commons.wikimedia.org/wiki/Piek%C5%82o_(wojew%C3%B3dztwo_%C5%9Bwi%C4%99tokrzyskie)" title="Piekło (województwo świętokrzyskie)">Piekło</a> village murdered by Germans in 1940 during WW2, <a href="//commons.wikimedia.org/wiki/Poland" class="mw-redirect" title="Poland">Poland</a>, 2006 yr.
No machine-readable author provided. <a href="//commons.wikimedia.org/wiki/User:Vindicator" title="User:Vindicator">Vindicator</a> assumed (based on copyright claims).
CC BY 2.5
No machine-readable source provided. Own work assumed (based on copyright claims).