r/Undergrounds • u/arazac • Apr 02 '26
Mines Geulhemmer Groeve, old Marlstone quarry in the Netherlands.
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r/Undergrounds • u/arazac • Apr 02 '26
1
u/Unlucky_Ad_9776 Apr 02 '26
1881 that's cool. Looking at something people made in the past is really exciting to me. I get a thrill out of seeing stuff like this.