Detail of the High-pressur Compressor Building of Shaft XII, as yet not restored

I’ll be off then – I’m going on a trip to the fair, if rarely mentioned city of Essen, treasure of childhood remembrances and coal-blackened past, European Capital of Culture in 2010 (the whole region is, not Essen alone) and place of the World’s Cultural Heritage of the UN (or whatever it’s called), the Zeche Zollverein. Tomorrow, I’m...