![](/sites/default/files/hm/images/Potash%20mine.jpg)
Scientists test space technologies in the darkness of an English potash mine as part of the EU-funded Mars Analogues for Space Exploration (MASE) project.
http://astrobiology.com/2014/04/scientists-begin-mars-exploration-in-a-deep-mine.html
Scientists test space technologies in the darkness of an English potash mine as part of the EU-funded Mars Analogues for Space Exploration (MASE) project.