They are restricted in the test facilities. I visited the research areas back in late 2012 when some friends I knew from the International Space University had a Young Graduate Trainee position there following our studies. It was really cool, but don't have any pictures from there :P
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jajajajajajaja, is that I already said, it must be complicated to take pictures in places like that, your experience is very good, it shows on your face !!!