Civilizations around the area started around 4,000 years ago when prehistoric people lived within the area during the Neolithic age. They knew how to use stone tools and pottery. Because large numbers of stone hoes were unearthed, archaeologists think that those prehistoric people probably relied largely on farming for food. However, they also went hunting to add more variety to their menu. The site was originally discovered in May 2002, when a student found pottery shards in the area. He collected the fragments and then handed it over to a professor in the Department of Anthropology at the National Museum of Natural Science in Taichung.[citation needed]
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