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They are at time.com/newsletters and are separate from a paid subscription.  _This content was paid for and prepared by China Daily, an official publication of the People's Republic of China. The TIME editorial and advertising departments were not involved in the creation of this content._ Archaeologists clean and excavate the remains at the Panlongcheng site. PROVIDED TO CHINA DAILY By DENG ZHANGYU A major flood that hit Wuhan in Central China’s Hubei province in 1954 caused death and destruction. But one consequence of the disaster was the discovery of the long-buried secrets of Panlongcheng, an ancient city that had lain dormant for over three millennia. Over the subsequent 70 years, archaeologists peeled back the layers of time to reveal the intricate details of this once-thriving metropolis. Panlongcheng, a vital nexus between the Yellow River and Yangtze River civilizations, slowly emerged from obscurity. In the 1970s, two important archaeological projects at the Panlongcheng site uncovered ancient palaces, city walls and the tombs of nobility. A large number of exquisite bronzeware, pottery and jade artifacts were unearthed, which bore a striking resemblance to items discovered in the capital of the Shang Dynasty (c.16th century-11th century B.C.) in the Yellow River basin. This shifted the focus of archaeologists to the Yangtze River basin. “Previously, many experts believed that the Yellow River basin was the cradle of Chinese civilization,” says Zhang Changping, a professor at Wuhan University’s School of History. “The discovery of the Panlongcheng site has greatly advanced the social recognition of both the Yangtze and Yellow River basins as cradles of Chinese civilization.” In archaeological circles, ancient Egypt, Mesopotamia, ancient India and ancient China are generally categorized geographically as “Great River Civilizations,” corresponding to the Nile, the Tigris and Euphrates, the Indus, and the Yellow and Yangtze rivers, respectively. “The Yellow and Yangtze rivers are completely geographically independent yet parallel, making Chinese civilization, formed by these two river basins, the rare dual-river civilization among the world’s great river civilizations,” says Zhang. In 2001, this ancient city site, which was the earliest to culturally link the Yangtze and the Yellow River basins, was named one of the “100 Major Archaeological Discoveries in China in the 20th Century.” In April, the National Cultural Heritage Administration listed the Panlongcheng site as one of China’s top 10 archaeological discoveries for 2024, saying that it’s an important stronghold for the rulers of the Shang Dynasty, based in the Yellow River basin, to exert control over the Yangtze River basin. At the announcement in Beijing, Huo Wei, a professor from Sichuan University, said that in the past decade, archaeological finds have shown that by the late Xia Dynasty (c.21st century-16th century B.C.), the regime at the Central Plains had already extended its influence to the Yangtze River area. The discovery of bronze workshops at the Panlongcheng site suggests that metalworking skills spread from the Yellow River basin to the Yangtze, starting the Bronze Age there. These discoveries have changed what people previously thought. There has long been a debate over how bronze artifacts were introduced to the Yangtze River basin from the Yellow River basin. The question remains: Were these artifacts produced locally using available materials, or were they distributed by the ruling class from the Central Plains? In 2015, a significant discovery at Panlongcheng provided new insights. Sun Zhuo and his team uncovered a complete bronze casting workshop, featuring a full “industrial chain” of mold-making, casting and smelting. This marked the first discovery of a bronze casting workshop outside the capital city of the Xia and Shang dynasties. “The bronzeware from Panlongcheng are consistent in both function and manufacturing techniques with those unearthed from the same period in the Shang Dynasty. We speculate that a group of craftsmen may have migrated directly from nowadays Zhengzhou in Henan province, where the capital city was located at that time,” says Sun, who leads the archaeological team at Panlongcheng. The Panlongcheng site is located in the Panlongcheng National Archaeological Site Park in Wuhan. The area is surrounded by water on three sides. Twenty kilometers to the east is a tributary of the Yangtze River. This geographical location made it a transportation hub at the time. “We discovered that certain items and resources, such as pottery, were transported through Panlongcheng to the Yangtze and Yellow River basins, facilitating cultural exchanges between these regions,” says Sun. The archeological team is currently actively collaborating with international academic institutions such as Harvard University and the University of Chicago, hoping to bring different perspectives to the research. Since last year, they have been hosting a five-week summer archaeology camp, primarily recruiting international students for archaeological internships. This year’s camp has attracted six university students from the United States. The instructors are from both domestic and international universities. “This is a great opportunity to bring an international perspective to the archaeology of Panlongcheng,” says Sun. Apart from the Panlongcheng site, the Panlongcheng National Archaeological Site Park also includes a museum, outdoor archaeological experience areas and public education zones. Over the years, the phased archaeological discoveries at the Panlongcheng site have been carefully curated into museum exhibitions. The effective combination of museum exhibitions, archaeological work and experiences has greatly enhanced the public awareness of the Shang Dynasty civilization at the Panlongcheng site, according to Wan Ling, former director of the Panlongcheng Site Museum. ```json [{"@context":"https://schema.org","@type":"NewsArticle","@id":"https://time.com/branded-content/china-daily/dual-river-findings-shift-civilization-theory/","mainEntityOfPage":{"@type":"WebPage","@id":"https://time.com/branded-content/china-daily/dual-river-findings-shift-civilization-theory/"},"headline":"Dual-river findings shift civilization theory","datePublished":"2026-06-18T14:28:34.460Z","dateModified":"2026-06-09T07:28:06.442Z","description":"","url":"https://time.com/branded-content/china-daily/dual-river-findings-shift-civilization-theory/","keywords":[],"thumbnailUrl":"","author":[],"articleSection":"Paid Content","image":[],"publisher":{"@type":"Organization","name":"Time","url":"https://time.com/","logo":{"@type":"ImageObject","url":"https://time.com/images/logo.png","width":528,"height":156},"foundingDate":"March 3, 1923","sameAs":["https://www.facebook.com/time","https://www.instagram.com/time/?hl=en","https://twitter.com/time","https://www.pinterest.com/timemagazine"]}},{"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"item":{"@id":"https://time.com/branded-content/china-daily/dual-river-findings-shift-civilization-theory/","name":"Dual-river findings shift civilization theory"}}]}] ```