Phoenixsee
Hermann Diedrich Piepenstock, an entrepreneur from Iserlohn, would hardly have dreamed of this: the Hermannshütte he founded dominates the Dortmund district of Hörde for 160 years, and then, in just six years, the giant steelworks is transformed into a local recreation area with an artificial lake, noble town houses and fancy restaurants. The only reminder of the "steel era" is a basic converter …