CAVES preparatory training day 4. br br br The astronauts descend into the Sardinian caves to take some microbiological br samples. Underground creepy-crawlies are catalogued and their pictures taken. br br br The cavenauts have to crawl through tight spaces and come across some br interesting cave formations. br br br CAVES, an abbreviation of Cooperative Adventure for Valuing and Exercising br human behaviour and performance Skills, prepares astronauts to work safely br and effectively and solve problems as a multicultural team while exploring br uncharted areas following space procedures. br br br Credits: ESA--V. Crobu and S.