Exploring the Ruhr Area

To the extent possible under law,
Raffael Herrmann
has waived all copyright and related or neighboring rights to
"Exploring the Ruhr Area".
This work is published from:
Germany.
public domain photos.
To the extent possible under law,
Raffael Herrmann
has waived all copyright and related or neighboring rights to
"Exploring the Ruhr Area".
This work is published from:
Germany.