No! I'll jump in before Russ and say: "Don't crop it!" The first one needs the top of the walkway and a bit of sky as context. I like it just the way it is: simple and mysterious.
It's that the bit of sky doesn't really give any context. Context would show a little more of the surrounds and environment. At it is, it's just a small bit of misty background that has a different characteristic in lighting that doesn't work. At least for me. I like the man in the tunnel, but not the setting of the shot. But the shot is what it is.