Heavy structural steelwork at Zeche Zollverein
This photo is made available under the CC0 1.0 Universal Public Domain Dedication This photo is made available under the CC0 1.0 Universal Public Domain Dedication 
Peter Janzen
Peter was an artist to the fingertips, a tale-teller, a living encyclopedia, the best uncle one can wish for and my personal hero. Sadly he died suddenly in 2014, but his pictures will stand the test of time.
All photos a 
