The Princess and--We Shall See Who When she came to the top, she found herself in a little square place, with three doors, two opposite each other, and one opposite the top of the stair.

She stood for a moment, without an idea in her little head what to do next.

But as she stood, she began to hear a curious humming sound.

Could it be the rain?
No.

It was much more gentle, and even monotonous than the sound of the rain, which now she scarcely heard.
The low sweet humming sound went on, sometimes stopping for a little while and then beginning again.