Answer:
I bring light to a dark world. In a current I travel and through tunnels I am hurled. Touch me and I'll kill you. What am I?
If a man carries my burden they will get crushed to death. Though not rich I leave silver in my track.
I am round as an apple, deep as a cup. All the King's horses can't pull me up. What am I?
I have cities without people forests without trees and oceans without water. What am I?
I have a head but never weeps. I have a bed but never sleeps. I can run but never walks. I have a bank but no money. What am I?
The answer I give is yes, but what I mean is no. What was the question?