That means: You may use all of my work, as long as the purpose is not commercial.
In case you do want to use my work for a commercial project, please contact me here: ixi@gmx.ch

If you are depicted as a climber on one of my pictures, you may disregard the licence and use this picture as you please, including commercial purposes.

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Although you can use my work free of charge, I would be very happy about a donation.