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Every year, ESA holds a program it calls CAVES – a clumsy acronym that stands for "Cooperative Adventure for Valuing and Exercising human behaviour and performance Skills." The aim of the course is to teach astronauts the kind of team-building and safety skills they'll need in an environment that mimics the conditions in space as closely as possible. With their tight spaces, isolation, and lack of sunlight, caves make a useful test bed.

(News) Saudi Arabia Crown Prince discovers Son Doong Cave : In the afternoon – February 11, 2014 - A party for the Crown Prince of the Abu Dhabi Emirate, who has successfully conquered the world’s largest cave Son Doong, also was the first person to enter this cave in the year 2014...


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