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Going underground

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Published on Sep 10, 2012

The cavenauts prepare for the six nights they will spend exploring the caves
of Sa Grutta in Sardinia, Italy. After a week of training, the moment has
arrived for them to say goodbye to the Sun and set up camp underground.

An international crew of six astronauts are training for a caving adventure
designed to prepare them for spaceflight. Training started a week before they
entered the caves on Friday 7 September to spend six days underground.

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