<b> <a href="https://en.wikipedia.org/wiki/La_Hulpe" class="extiw" title="w:La Hulpe">La Hulpe</a> </b>  (Belgium), the Solvay castle (1842).
<a href="//commons.wikimedia.org/wiki/User:Jean-Pol_GRANDMONT" title="User:Jean-Pol GRANDMONT">Jean-Pol GRANDMONT</a>
CC BY 2.5
<ul><li><span class="int-own-work" lang="en">Own work</span></li></ul>