No, climate change did not create a mysterious civilization 5,000 years ago. While climate change can influence the development and decline of civilizations, it is not the sole factor responsible for the rise and fall of societies. There are numerous other factors that contribute to the development and decline of civilizations, such as political, economic, social, and cultural factors. The study of past civilizations involves multiple disciplines, including archaeology, history, anthropology, and environmental studies, and it is important to consider a range of factors when studying the development and decline of societies over time.