The artist Gunter Demnig from Cologne started a project called "Stolpersteine"(stumbling blocks) to remind of the victims of the NS regime. He creates stones with a brazen plate on top, giving some information about the victim (name, birth date, date of death), and installs them where they had lived (not only in Wiesbaden but all over Germany). Since the start of the project in 1997, he has installed over 7000 stones in 130 cities.
The (colored) stones in the photo are in the Wagemann Strasse in Wiesbaden (just to the right from yesterdays photo).
Aktion Stolpersteine (only in German so far)
Closer view of the stones