Core Viewpoint - The article discusses the historical development of Shanghai's civilization over 6000 years, highlighting its archaeological findings and cultural evolution from prehistoric times to its status as a modern international metropolis [1][2][6]. Group 1: Historical Development - Shanghai's prehistoric culture began over 6000 years ago, encompassing various cultural phases such as Majiabang, Songze, Liangzhu, Guangfulin, and Maqiao cultures [1][2]. - Archaeological discoveries since 1935 have identified around 40 sites in Shanghai, primarily in the western regions, revealing significant artifacts like pottery, stone tools, and burial sites that provide insights into early Shanghai's cultural and social characteristics [1][6]. Group 2: Cultural Significance - The integration of northern Central Plains culture with local traditions around 4000 years ago led to the formation of Guangfulin and Maqiao cultures, indicating Shanghai's role in the "multicultural" framework of Chinese civilization [2][4]. - The Maqiao culture, dating back to the Xia and Shang dynasties, showcases a rich diversity of artifacts, particularly the duck-shaped pot, which reflects cultural exchanges between regions [4]. Group 3: Archaeological Insights - The article mentions the upcoming exhibition "Starry China: Sanxingdui and Jinsha Ancient Shu Civilization," which will feature artifacts like jade cong, suggesting potential cultural connections between the Longjiang and Chengdu regions despite significant temporal and spatial gaps [4]. - The Qinglong Town site, identified as Shanghai's earliest foreign trade port, thrived during the Tang and Song dynasties, highlighting the city's historical role in international trade long before modern times [6][7]. Group 4: Urban Development - By the Song dynasty, Qinglong Town evolved into a significant port facilitating broader trade networks, which later shifted to Shanghai Town during the Yuan dynasty due to changes in water systems [7]. - The historical narrative emphasizes that Shanghai's identity as a port city has deep roots, contributing to its open, innovative, and inclusive urban character [7].