Group 1 - The core concept of "Cool City" construction in Haikou integrates ecological wisdom, technological empowerment, and cultural heritage to adapt to climate changes, aiming for sustainable urban development [1] - Haikou has transformed idle land into "Cool Parks," enhancing urban living conditions and promoting a happy, all-age-friendly city [2] - The city has over 170 pocket parks and micro green spaces, improving residents' access to greenery and recreational areas [2] Group 2 - The construction of tree-lined roads is a key component of Haikou's green space network, providing essential cooling benefits and improving air quality [3] - Tree-lined roads can reduce temperatures by an average of 3°C to 6°C compared to roads without trees, offering significant relief during high temperatures [3] - Haikou plans to complete the construction and renovation of 40 tree-lined roads this year, contributing to the development of a large-scale "urban green corridor" system [3]

Core Perspective - Suzhou is undergoing a transformation into a "park city," integrating ecological and urban development through the construction of green spaces and parks, enhancing the quality of life for its residents [1][2][11] Group 1: Ecological Development - Suzhou has 108 listed gardens and 9 UNESCO World Heritage sites, alongside over 400 lakes and more than 20,000 rivers, showcasing its rich ecological resources [2] - The city aims to create a park city where "everywhere is scenic, and the city is within the park," emphasizing a systematic reshaping of urban development rather than just increasing green space [2][11] - In the past three years, Suzhou has added 126.1 kilometers of greenways, 286 kilometers of forest trails, and increased afforestation by 11.93 square kilometers, with a wetland protection rate of 72.8% [3] Group 2: Urban Integration - The city is removing barriers between parks and urban areas, exemplified by the new 2.4-kilometer Lintun Road, which features green belts and pocket parks, creating an immersive urban experience [6][7] - The "no-boundary park" initiative aims to connect parks seamlessly with urban life, allowing residents to easily access green spaces [7] - Suzhou has developed a three-tier park system, including pocket parks, urban comprehensive parks, and natural rural parks, enhancing accessibility and community engagement [8] Group 3: Cultural and Community Engagement - The "Park +" initiative is being implemented to enhance the cultural and recreational value of parks, with activities like flower exhibitions and cultural performances attracting significant public participation [9][10] - The city is leveraging its historical and cultural heritage through immersive night tours and digital engagement, drawing millions of visitors [10][11] - Future plans include the "Hundred Parks, Thousand Parks, Ten Thousand Shared" project, focusing on making green spaces cultural and service hubs for the community [11]