Postcard BE-895174 Chacha58 Belgium 7 Jan, 2024 6 days 273 miles RebeccaNottbohm Germany 13 Jan, 2024 Loading map... Chacha58 said: posted 4 months ago Unesco site, it was a coal mine from 1685, in 1838 a minig city was built around for the workers. The mine was closed in 1973 You need to sign in to leave a comment!