Through old Brussels, on the traces of hidden corners. Because it is often the things that don't immediately catch the eye that tell us the most about the city: the disappeared river, the old city wall, Mannekens Promenadenmischung, language confusion, and a town hall with (at least) 7 errors...
Prior registration via the website or by email is absolutely necessary.
You can also book this tour as a private tour. Info can be found here: https://sprechendesteine.eu