Answer:
What goes up when the rain comes down?
What stays in one corner but travels around the world?
What has been around for millions of years but is never more than a month old?
What breaks in the water but never on land?
What can be measured but has no length, width or height?
Though not a plant, has leaves. Though not a beast, has spine. Though many wouldn't need this thing, It's more valuable than wine.