Or if such doorways protect whoever is inside, or if they're protecting the outside from whatever lurks in the deeps. It's not something Boromir voices and, quite frankly, not something he really wants to talk about, so he stays silent on the subject.

He continues to hold the candle once Integra has lit it, and observes the wall once more. "It's hard to tell. I'm not sure if it's just my eyes playing tricks on me."