The ruins of the chapel built in the place of burial of those who died during the <a href="https://en.wikipedia.org/wiki/Battle_of_Grunwald" class="extiw" title="en:Battle of Grunwald">Battle of Grunwald</a> (1410)
<a href="//commons.wikimedia.org/wiki/User:Albertus_teolog" title="User:Albertus teolog">Albertus teolog</a>
<span class="int-own-work" lang="en">Own work</span>