ESA CAVES 2014 in 3D

############################# Video Source: www.youtube.com/watch?v=HSxErHwM8os

ESA astronaut Luca Parmitano and speleologist Francesco Sauro take us underground during the ESA CAVES 2014 course – Cooperative Adventure for Valuing and Ex...

CAVES 2014, caving, astronaut training, Luca Parmitano, European Astronaut Centre, underground, caves, cavewalks, 3D video
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