
Such as "The treasures of the Earth": what, where, when and how were they extracted from the ground? Or "Textile manufacturing": the milestones along the way from fibre to factory. Or "Transport and Communication": retracing the tracks of the industrial revolution.
Theme Routes take up specific questions relating to European industrial history and reveal potential links between radically different industrial monuments all over Europe. The result is a "circuit diagram" of the common routes of European industrial heritage.