Core Viewpoint - The completion of the tunnel for the Chongming Line (Metro Line 22) marks a significant milestone for Chongming's development during the 14th Five-Year Plan, symbolizing the island's commitment to ecological progress and sustainable development [1][2]. Group 1: Ecological Development Strategy - Chongming's development is firmly rooted in ecological principles, with a consensus among local officials and residents that all growth must be ecologically friendly [2]. - The island has shifted away from traditional, resource-intensive economic models, focusing instead on an "ecological island" development path that aligns with Shanghai's broader ecological strategy [2]. - Chongming's commitment to ecological preservation is evident in its rejection of short-term gains and adherence to strict ecological boundaries during the 14th Five-Year Plan [2][3]. Group 2: Investment in Ecological Projects - During the 14th Five-Year Plan, Chongming invested billions in wetland protection and water environment management, resulting in a stable population of over 12 species of waterbirds and more than 380 bird species overall [3]. - The island has developed two modern ecological industry clusters that align with its ecological identity, including a leading shipbuilding base on Changxing Island with annual output values surpassing 500 billion and 800 billion [3]. - Chongming is also advancing modern green agriculture, establishing various agricultural groups and projects that contribute to the development of a "Silicon Valley" for agriculture in the Yangtze River Delta [3]. Group 3: Achievements and Future Prospects - Chongming has achieved notable recognition, including the designation of the Shanghai Chongming Dongtan migratory bird habitat as a UNESCO World Heritage site and receiving international wetland city certification [4]. - The island is hosting high-profile sports events, enhancing its visibility and attractiveness as a destination [4]. - Future infrastructure developments, such as the Chongming Line and the Hu-Yu-Cheng high-speed rail, will strengthen connections between Chongming and Shanghai, facilitating resource flow and regional integration [5].