M4 formation, seen entering the Western Pertuis/Gaat of the Jonction Nord-Midi/Noord-Zuidverbinding, shortly after leaving Bruxelles-Midi/Brussel-Zuid.
<p>
Bruxelles-Chapelle/Brussel-Kapellekerk.
<p>
13th February 2006.
<p>
P.L.Guillemin (plguillemin@yahoo.fr)