Cultural flexibility was key for early humans to survive extreme dry periods in southern Africa

Source: sciencedaily.com
Anthropology

The early human techno-tradition, known as Howiesons Poort, associated with Homo sapiens who lived in southern Africa about 66,000 to 59,000 years ago indicates that during this period of pronounced aridification they developed cultural innovations that allowed them to significantly enlarge the range of environments they occupied.