Taosi: A City Older Than the Records That Name It
A Longshan walled town in the Fen valley, its dates, its 280-hectare middle city, and the semicircular platform read as the oldest observatory in East Asia.
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A Longshan walled town in the Fen valley, its dates, its 280-hectare middle city, and the semicircular platform read as the oldest observatory in East Asia.