en: And taking them down so that they had access — astrobiologists, planetary scientists, people who were interested in these extreme environments — taking them down to the vents, and letting them see, and take samples and test instruments, and so on.
it: E portarli giù perché potessero avere accesso … astrobiologi, scienziati planetari, gente interessata a questi ambienti estremi, portarli giù e permettere loro di vedere, prendere campioni, testare strumenti e così via.