The Training Hall Three was a place that would've fit in a sci-fi movie. It would've been a place built by ancient aliens, with their indecipherable writing covering the metal walls, floor and ceiling, with a feeling of weird flatness about it. That is, if you discarded the dozen of folding metal chairs set in a circle and a knee-tall box full of indefinable stuff stood in a corner like a sport equipment didn't put back after usage.
It also looked way too much like a sealed coffin if you look from inside. I didn't miss the way JJ's steps faltered when we entered. I took his hand then, and he squeezed it in return before letting go.