Answer:
What stays in one corner but travels around the world?
I go around in circles, But always straight ahead Never complain, No matter where I am led.
This is meat from the upper part of a pig's leg salted and dried or smoked, often enjoyed in a sandwich.
Though I should be unique, you've made most of us the same. I would be stronger, if my characters were stranger.
What falls down but never breaks?
I am a room that has a roof but no walls. What am I?