Complex sentence: Over a period of thirty years, Ibn Battuta visited most of the Islamic world and many non-Muslim lands, including North Africa, the Horn of Africa, West Africa, the Middle East, India, Central Asia, Southeast Asia, and China.
Split into simpler sentences: Over a period of thirty years, Ibn Battuta visited most of the known Islamic world as well as many non-Muslim lands. His journeys included trips to North Africa, the Horn of Africa, West Africa, the Middle East, India, Central Asia, Southeast Asia, and China.