That building opposite Midi

I'm guessing everybody in Brussels (or who has ever visited) knows this building - it's bang opposite the entrance/exit to the Gare du Midi, right by the taxi stand/spot-where-you-smoke-your-last-cigarette-before-boarding (well, not me, not for the past 5 months anyway :)) ... I'm not sure everybody thinks it's as cool as I do though, so here's my attempt to convince.