This is a photo of a <a href="https://en.wikipedia.org/wiki/National_Heritage_Site_(Belgium)" class="extiw" title="en:National Heritage Site (Belgium)">monument</a> in Wallonia, number:
<a href="//commons.wikimedia.org/wiki/User:PMRMaeyaert" title="User:PMRMaeyaert">PMRMaeyaert</a>
<span class="int-own-work" lang="en">Own work</span>