Here is on example of how it looked during 'real' socialism:
http://www.immowelt.de/bauen/PlattenbauSanierung/img/platte_alt_.jpg
And now in a pre-dominantly social democratic society:
http://www.immowelt.de/bauen/PlattenbauSanierung/img/platte_neu_.jpg
Perhaps French local government people should invite some German constructing companies to submit a plan or two. "The USA appears destined by fate to plague America with misery in the name of liberty." Simon Bolivar, Caracas, 1819
When I visited Dresden in 1998 money was pouring in for building renovation. I had recently seen a German film called Das Leben ist eine Baustelle and the impression I got from my trip was Berlin is eine Baustelle.
Anyway, in Dresden there were streets where one side had been improved and was painted in these warm pastel colours, while the opposite side was still gray. guaranteed to evoke a violent reaction from police is to challenge their right to "define the situation." --- David Graeber citing Marc Cooper