Answer:
When this is found in a road you are forced to make a decision.
Very helpful if you intend to go gently down a river.
Angels and pilots earn these.
What must you give before you can keep it?
This sparkling globe can float on water. It is light as a feather, but ten giants can't pick it up.
All about, but cannot be seen, Can be captured, cannot be held, No throat, but can be heard. Who am I?