The Trapped World

It's true you can be trapped inside a world that doesn't turn from the inside. But from the outside turns back in. Never knowing which way is East or West (but more or less knowing the way up). Switch your attention to the left, throw your neck to the right. You don't know the way back home because you don't know how you got in— obviously through the front door, but where did the front door go? It seems that the whole world turns but the city doesn't.....