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