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