Answer:
I shift around though always slowly. I never move more than a few inches at a time. A large movement by me can kill many people. I am huge yet unseen by humans.
What building has the most stories?
What has banks but no money a bed but no sleep waves but no ocean?
What force and strength cannot get through, I with my unique teeth can do. What am I?
I am clean when Iām black dirty when Iām white.
The answer I give is yes, but what I mean is no. What was the question?