Complex sentence: Reflecting one of the longest continuously inhabited landscapes of North America, it preserves ruins of the early indigenous tribes that lived in the area, including the Ancient Pueblo Peoples (also called Anasazi) and Navajo.
Split into simpler sentences: Reflecting one of the longest continuously inhabited landscapes of North America. It preserves ruins of the early indigenous tribes that lived in the area, including the Ancient Pueblo Peoples (also called Anasazi) and Navajo.