More space news and info at: coconutsciencelab.com - CAVES is a unique training program for astronauts run by the European Space Agency (ESA), that takes place in Sardinia's Supramonte. Six astronauts spend two weeks in the dark and cold, deep underground. They do daily activities together, such as exploration and scientific research, always working as a group - yet separate from the outside world.

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Credits: ESA­­­­, V. Crobu, S. Sechi

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