This image may not be used to state or imply ESA endorsement of any company or product Astronaut cave training. ESA astronauts during day three of a w

---

This image may not be used to state or imply ESA endorsement of any company or product Astronaut cave training. ESA astronauts during day three of a week-long cave training expedition in Sardinia, Italy. The cave has a number of similarities to a spacecraft; the astronauts are isolated in a confined space with minimal comfort and privacy. The ast

---

Size: 5155px × 3425px
Photo credit: © EUROPEAN SPACE AGENCY/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 21st, adult, astronaut, building, camp, campsite, caucasian, cave, cavern, century, equipment, europe, european, expedition, exploration, exploring, flight, geological, geology, human, italy, male, man, people, person, sardinia, space, spaceflight, team, team-building, tent, tents, training, underground, white