![](http://www.alamy.com/thumbs/6/F4795890-4E17-4683-AE47-E273AE91869D/W52EE4.jpg)
Wupper hiking trail through a railway tunnel near Marienheide, Germany
Size: 6720px × 4480px
Location: Marienheide, Germany
Photo credit: © ap-photo / Alamy / Afripics
License: Royalty Free
Model Released: No
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