...but descends below ground as well. The reason for this was the large photo shoot of , Schwalm Kanalsanierung in October 2014. As a result, a "normal" work day was unthinkable. A small selection of "making of" photos shows what the Schwalm "models", together with the Frankfurt-based photographer, experienced.

Martin Schwalm: "I would like to thank all our "models" sincerely for making their time available, for the great atmosphere and for their professional conduct. The results are strong image, service and product motifs from our day-to-day sewer rehabilitation work which are very good and which our customers and partners will be able to see in a wide variety of media very soon. You can look forward to it."