Sunday, May 23, 2021

Herttoniemi boulder underside


While visiting (again) the secret Margarine factory tunnel, I  came across a small boulder cavelet in Herttoniemi.

Not big, maybe 2x2 meters, but counts as a cavelet, i.e., a mini cave. Or in other words, it counts as a cave for people who are starved of real caves, like we are in Finland.

Read more urban exploration stories from, and other underground stories from Read the full Planetskier series at, or all blog articles from Blogspot or TGR. Photos and text (c) 2021 by Jari Arkko. All rights reserved. Thanks for Helene and Touko for accompanying me to the cave!

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