Today's abandoned mine exploration was in Leppävaara.
Not a particularly big mine, though, barely noticeable. A quarry rather, in the Leppävaara's Kaivoskallio (mine hill). There's several places where they've quarried iron ore in the 1800s. The largest hole is in coordinates N 60.22640 E 24.79614. I also found a small ~ two meter cave under a boulder at the top of the hill in coordinates N 60.22669 E 24.79586.
The "cave":
Views from the hill:
All the urban exploration stories can of course be found from theurbanexplorer.net! Photos and text (c) 2019 by Jari Arkko. All rights reserved.
This article was originally published in the Planetskier Blogspot article series.
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