Complex sentence: Bowman moved with his family to the Shenandoah Valley of Virginia at the age of 5 and, except for short periods in Pennsylvania, Wisconsin, and Spain, he has lived in the shadow of the Blue Ridge Mountains for most of his life.
Split into simpler sentences: Bowman moved with his family to the Shenandoah Valley of Virginia at the age of five. Except for short periods away, in Pennsylvania, Wisconsin, and Spain, he has lived in the shadow of the Blue Ridge Mountains for most of his life.