Answer:
Can be achieved in a car or as a position during conflict
I can be as thin as a picture frame but my insides have many things you can see.
Mountains will crumble and temples will fall, and no man can survive its endless call. What is it?
No sooner spoken than broken. What is it?
Every country has one, though we are not the same. Waving to our citizens, throughout the wind and rain. What is it?
I am a room that has a roof but no walls. What am I?