The Star of David which was marked by Jews during the Second World War. Found in Bielsko, Silesia, Poland (During the war the area was incorporated into the German Third Reich - Provinz Oberschlesien)
<a href="//commons.wikimedia.org/wiki/User:Eduardschnack" title="User:Eduardschnack">Jacek Proszyk</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>