Answer:
What goes up when the rain comes down?
An open ended barrel, it is shaped like a hive. It is filled with the flesh, and the flesh is alive!
A hole in a pole, though I fill a hole in white. I'm used more by the day, and less by the night.
In we go, out we go. All around and in a row. Always, always steady flow. When we'll stop, you'll never known. In we go, out we go.
They have not flesh, nor feathers, nor scales, nor bone. Yet they have fingers and thumbs of their own. What are they?
What is always coming but never arrives?