Answer:
What do you fill with empty hands?
In Paris but not in France, the thinnest of its siblings.
What is up that’s also down? What’s a smile and a frown?
I am a good state, there can be no doubt of it; But those who are in, entirely are out of it.
I am cracked by Indiana Jones. What am I?
If it’s information you seek, come and see me. If it’s pairs of letters you need, I have consecutively three. What am I?