拱墅区“四普”勾勒城市发展年轮

Group 1 - The core viewpoint of the article emphasizes the importance of cultural heritage preservation through the fourth national cultural relics census in Hangzhou, aiming for a 100% on-site verification rate by the end of 2025 [4][5] - The Hangzhou Bearing Factory, established in July 1957, is highlighted as a representative industrial relic in the Gongshu District, showcasing the city's industrial history and development [4] - The factory, once a key enterprise in the national machinery industry, had a peak workforce of over a thousand, serving as a significant part of the city's collective memory [4] Group 2 - The East River, a historical waterway approximately 2.5 kilometers long, is noted for its role in shaping the urban landscape of Hangzhou, reflecting the city's evolution based on water resources [5] - The preservation of the East River's embankments, sluices, and stone protections is emphasized, showcasing its historical significance in flood control, irrigation, and transportation of goods [5] - The innovative "waterway census" method, utilizing boats, drones, and GPS technology, is introduced to accurately assess the condition of the river's historical remnants [5]