"A few hundred metres below the ground"

uwepetercom.blogspot.de/2014/03/s-u-sp-e-ns-io-n-f-e-rry-r-e-ndsb-u-rg.html Salt Mining | Bad Friedrichshall | Germany | 2016-08-06
The only german, public viewing, salt mining is situated in Bad Friedrichshall near Heilbronn. 








Keywords: , , , Standort: Bad Friedrichshall, Deutschland