Good Riddles

Question: A mirror for the famous, but informative to all.
I'll show you the world, but it may be a bit small.

What I am?

Question: What has a face and two hands?

Question: Which eight-letter word still remains a word after removing each letter from it?

Question: Under pressure is the only way I work,
and by myself is the only way I'm hurt.

What am I?

Question: I dig out tiny caves, and store gold and silver in them. I also build bridges of silver and make crowns of gold. They are the smallest you could imagine. Sooner or later everybody needs my help, yet many people are afraid to let me help them. Who am I?