And I can see the black forms of the passengers against its white surface.

One of them has taken something from another--a glass, I think--yes, it is--and he is levelling it in this direction.

Depend upon it we are conspicuous objects against the sky to them.

Now, it seems to rain upon them, and they put on overcoats and open umbrellas.

They vanish and go below--all but that one who has borrowed the glass.