Rolf Breier's activities are limited these days. At most, every afternoon he walks to the park with his fellow residents at the nursing home in the city of Kiel, northern Germany. At 89, he has become senile and can no longer say much.

The red brick apartment for the nursing home is located in Gaarden, a seedy location favored by sellers and narcotic drugs. Also staying there are the unemployed, drunks, immigrants from the Middle East, Turkey, Afr