 Optical Telegraph Station 50 at Cologne |  Palace Garden Cologne Stammheim |  Gatehouse Cotton Bleaching Plant |  Hindenburg Tower at Bergisches Land |
|  The Nail Game - Flotsam at the River Rhine |  Woman with the Red Heart |  Huinzen |  Ford-Factory Cologne Niehl |
|  Auer Forrest at River Sieg |  Gray Cat |  Mystery at Milestone 689 |  Kalscheurer Weiher Cologne |
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