Complex sentence: The Halfan people, of Egypt and Nubia flourished between 18,000 and 15,000 BC in Nubia and Egypt with one site dating to before 24,000 BC. They lived on a diet of large herd animals and the Khormusan tradition of fishing.
Split into simpler sentences: The Halfan people, of Egypt and Nubia flourished between 18,000 and 15,000 BC in Nubia and Egypt. One Halfan site dates to before 24,000 BC. They lived on a diet of large herd animals and the Khormusan tradition of fishing.