Group 1 - The construction of key projects under the "14th Five-Year Plan" is progressing steadily across various regions, contributing to high-quality development [1] - The second phase of the "Yinhan Jihui" project in Shaanxi has successfully completed the northern tunnel, laying the foundation for full-line water supply by the end of the year, with an annual water transfer capacity of 1.5 billion cubic meters [1] - The project will benefit over 14 million people in cities such as Xi'an, Xianyang, Yangling, and Weinan [1] Group 2 - A series of key transportation infrastructure projects in Guangxi have commenced, including highways and port access channels, aimed at enhancing the comprehensive transportation network [1] - The successful rotation of the GZ-Guangdong Railway Bridge marks a critical construction milestone for the Shenjiang High-Speed Railway, which connects major cities in the Guangdong-Hong Kong-Macau Greater Bay Area [1] - The Shenjiang High-Speed Railway will enable a half-hour direct connection between the Qianhai Free Trade Zone in Shenzhen and the Nansha Free Trade Zone in Guangzhou [1] Group 3 - The installation of the largest rooftop photovoltaic power generation system at Xiamen Xiang'an International Airport has been completed, with an annual power generation capacity of 13 million kilowatt-hours, reducing carbon emissions by over 10,000 tons [2] - The airport's construction is advancing rapidly, with concrete pavement and lighting installation underway, aiming to meet an annual passenger throughput of 45 million and 380,000 aircraft takeoffs and landings [2]

Group 1: Infrastructure Development - The "14th Five-Year Plan" is advancing key projects across various regions, focusing on urban rail transit, conventional buses, and slow traffic network integration [1] - China has 54 cities operating urban rail transit lines totaling 331, with an operational mileage of approximately 11,000 kilometers, ranking first in the world [1] - The Chang-Jiu High-Speed Railway features the longest turning bridge, with bridges and tunnels comprising over 80% of its structure, forming a crucial part of the national "Eight Vertical and Eight Horizontal" transportation network [3] Group 2: High-Speed Rail Projects - The Chong-Tai Yangtze River Tunnel, the world's largest diameter high-speed rail tunnel, has successfully surpassed 8,000 meters, connecting Chongming, Shanghai, and Taicang, Jiangsu, with a total length of 14.25 kilometers and a design speed of 350 km/h [5] - The Xi'an to Yan'an High-Speed Railway, the first high-speed rail in the Shaanxi revolutionary base area, has entered the joint debugging and testing phase [8] Group 3: Energy and Water Resources - The West Yan High-Speed Railway's 330 kV power supply project includes the construction of 242 kilometers of new transmission lines and two 330 kV traction substations [10] - The first offshore carbon dioxide storage demonstration project in China, located at the Enping 15-1 oil field, has cumulatively stored over 1 million cubic meters of CO2, with an annual storage capacity exceeding 100,000 tons [12][14] - The Heilongjiang Linhai Reservoir, part of 150 major national water conservancy projects, will provide 180 million cubic meters of quality water annually for irrigation of 153,700 acres of farmland [16] - The Gujun Reservoir dam in Dazhou, Sichuan, is a key water conservancy project expected to be completed by 2027, enhancing flood protection for upstream cities along the Yangtze River [18]