- Let's see that door, maybe there's a way out.
-- Yeah...

- I don't see any opening mechanism. We're trapped.
-- It means that it is maybe outside or somewhere deeper in this tunnel.

- It doesn't leave us many options. Let's see what lurks in this tunnel.

- Okay, but if you don't mind, I'll keep my lamp on.
-- I agree, but let's keep our beams pointed down to not be seen.