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
Marc Ryckaert (<a href="//commons.wikimedia.org/wiki/User:MJJR" title="User:MJJR">MJJR</a>)
CC BY 3.0
<span class="int-own-work" lang="en">Own work</span>