扬子潮，运河柳，烟花三月下扬州

Group 1 - The article highlights the historical significance and cultural richness of Yangzhou during the Tang Dynasty, emphasizing its role as a bustling trade hub along the Grand Canal [2][3][4] - The Grand Canal, divided into several sections, was crucial for economic and cultural exchanges between the north and south of China, with Yangzhou being a key junction [3][4][5] - The narrative describes the vibrant atmosphere of Tang Dynasty Yangzhou, showcasing its commercial prosperity, artistic achievements, and the influx of merchants and scholars from various regions [10][11][12] Group 2 - The article details the architectural and urban development of Yangzhou, including the construction of significant structures like the Daming Temple and the Qiling Pagoda, which served as landmarks [17][18] - It discusses the local economy, highlighting the production of goods such as salt and tea, and the presence of foreign merchants, which contributed to Yangzhou's reputation as a major economic center [10][11][12] - The cultural practices, including tea preparation and the significance of local craftsmanship, are illustrated, reflecting the city's rich artisanal heritage [19][20]