云门公园项目包括公园绿地、交通换乘枢纽设施用房、新城综合服务中心用房、文化展示服务中心 等工程，总面积约30公顷，计划分四期建设，定位为杭州城市重要新中心的"生态绿心"，面向多元人群 的"活力引擎"。 近日，余杭区云门公园一期项目正式通过竣工验收。 二期"云眼"项目包括文化活动中心、健身活动中心、配套服务设施等，已于今年4月开工，预计 2026年1月底地下室桩基全部完成。下一步将进行非地保区部分土方开挖和基础底板施工，非地下室部 分桩基进行同步施工。 据介绍，二期"云眼"项目内将建设云城范围内首座杭州市级校外教育、文体活动设施——青少年活 动中心城西分中心（暂名），教学面积预计约1.5万平方米，拟配备教学场所、活动空间、教师办公区 域及停车休闲等配套设施，并在北侧预留约9000平方米的户外儿童活动场地。 四期工程"中央绿谷"项目总用地面积约24公顷，规划设置综合慢行交通网络、环形水系、大片草坪 等多种功能场景，于今年6月开工，目前所有桩基工程已完成，云廊墩台混凝土浇筑完成80％，飞云桥 承台混凝土浇筑已完成，空腔结构混凝土浇筑完成45％，总体进度完成15％。 刚刚通过竣工验收的一期工程，是杭州西站站南生态文化 ...

Core Viewpoint - The integration of Changsha, Zhuzhou, and Xiangtan (Chang-Zhu-Tan) is accelerating, focusing on deeper collaboration in various sectors such as industry, transportation, ecology, and public services, enhancing the overall urban experience and economic vitality [2][10]. Group 1: Economic and Industrial Collaboration - The GDP of the Chang-Zhu-Tan area exceeded 538.5 billion, contributing 39.6% to the provincial economic growth, with Changsha leading at 371.24 billion [3]. - Changsha is enhancing its role as a core innovation hub with 76 government investment projects in the Xiangjiang Science City, aiming for completion by 2026 [3]. - The three cities are developing complementary industrial strengths: Changsha in engineering machinery and electronics, Zhuzhou in aviation power and rail transit, and Xiangtan in advanced materials, creating a "differentiated competition and chain support" industrial landscape [3][4]. Group 2: Transportation Development - The "half-hour traffic circle" concept is being realized, significantly improving commuting efficiency between cities [5]. - The expansion of the Changsha Metro and the construction of multiple magnetic levitation urban transit lines are underway, aiming to establish the first "maglev urban circle" in the country [6]. - The completion of major road projects and the development of a multi-modal transport system are enhancing logistics and connectivity within the urban area [7]. Group 3: Ecological and Social Development - The ecological restoration projects in the region are revitalizing local communities, transforming previously abandoned areas into vibrant cultural and recreational spaces [8][9]. - The integration of public services, such as shared medical records and educational resources, is improving the quality of life for residents across the three cities [10]. - Initiatives to enhance green spaces and promote sustainable development are being implemented, contributing to the overall ecological health of the region [9].