What's this? A mysterious packet in the mail ... wonder what it is?
It turned out to be Harri-Pekka Pietikäinen's book about experiences, fears, relaxation, and other human reactions to him spending time in caves. Very interesting!
The book can be acquired from your local bookshop, or over the web here.
Read more urban exploration stories from theurbanexplorer.net, and other underground stories from planetcaver.net. Read the full Planetskier series at planetskier.net, or all blog articles from Blogspot or TGR. Photos, videos, and text (c) 2022 by Jari Arkko except where otherwise indicated. All rights reserved.
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