Core Viewpoint - The article highlights the ongoing construction of major infrastructure projects across China during the Spring Festival, showcasing the dedication and hard work of builders to ensure timely progress and completion of these projects. Group 1: Transportation Infrastructure - The Dazhu Railway, spanning 330 kilometers, includes the challenging Hailigong Mountain Tunnel, which is approximately 10% of the total length and traverses 19 fault zones, making it one of the most difficult railway tunnels to construct [4] - Over 200 workers are engaged in the construction of the Hailigong Mountain Tunnel, working in shifts to ensure continuous progress [2][5] - The construction site of the Pinglu Canal in Guangxi has seen an increase in workforce from the planned 3,000 to over 4,000 during the Spring Festival, emphasizing the importance of this "golden waterway" for trade [6] Group 2: Water Resource Management - The Huanghe Ancient Water Conservancy Hub in Shanxi is entering a new phase of construction, with a focus on completing the inflow tower by the end of the year, utilizing AI technology for data collection and analysis [9][10] - The project will provide irrigation for 10.53 million acres of farmland and will play a crucial role in flood control, water resource regulation, and power generation [10] Group 3: Renewable Energy Projects - The construction of the pumped storage power station in Jiangxi is supported by a dedicated team of over 170 workers during the Spring Festival, laying a solid foundation for future project phases [14] - The Yebatan Hydropower Station, located at the highest altitude in China, is utilizing a digital management platform to ensure continuous concrete pouring throughout the year, with over 150 workers remaining on-site during the holiday for final preparations [16][17] Group 4: High Voltage Power Transmission - The Zang-Gui DC project, the world's first four-terminal flexible DC project, is under construction in Shenzhen, aiming to deliver over 43 billion kilowatt-hours of clean electricity annually to the Greater Bay Area [19] - The project is significant for its ability to transmit green electricity from Tibet to urban areas in just 9 milliseconds, showcasing advancements in energy infrastructure [19]

Group 1: Major Infrastructure Projects - The construction of the Dazhu Railway, which is 330 kilometers long, includes the challenging Hailigong Mountain Tunnel, known as one of the most difficult railway tunnels to build, accounting for about 10% of the total length [2][3] - The construction site of the Pinglu Canal is seeing an increase in workforce from the planned 3,000 to over 4,000 workers during the Spring Festival, emphasizing the importance of this "golden waterway" for transportation [3] - The Yellow River Guxian Water Conservancy Project is entering a new phase of construction, with a focus on completing the inflow tower by the end of the year, which will provide irrigation for 10.53 million acres of farmland [4] Group 2: Technological Innovations and Smart Construction - The Guxian Water Conservancy Project is utilizing AI cameras and positioning base stations to collect data for smart management, enhancing the efficiency of construction processes [4] - The Yebatan Hydropower Station is implementing a digital management platform called "Yebian Cloud" to oversee the entire construction process, ensuring continuous concrete pouring even in high-altitude conditions [8] Group 3: Commitment and Workforce Dedication - Over 170 workers at the Gan County Pumped Storage Power Station are committed to their roles during the Spring Festival, laying a solid foundation for future construction [7] - The construction team at the Yebatan Hydropower Station has had over 150 workers staying on-site during the Spring Festival to ensure the completion of the dam [8] - The Shenzhen Central Converter Station of the Tibet-Guangdong Direct Current Project is being expedited to meet construction deadlines, showcasing the dedication of workers who prioritize national projects [8]

Core Viewpoint - The article highlights the dedication of construction workers who continue to work on major engineering projects during the Spring Festival, showcasing their commitment to advancing infrastructure development in China [1]. Group 1: Major Engineering Projects - The Dazhu Railway, a critical project, is currently under construction with over 200 workers operating day and night in the challenging geological conditions of the Gaoligong Mountain Tunnel, which is about 10% of the railway's total length of 330 kilometers [2]. - The Pinglu Canal project has seen an increase in workforce from 3,000 to over 4,000 during the Spring Festival, emphasizing the importance of this "golden waterway" for facilitating trade [3]. - The Yellow River Guxian Water Conservancy Project is entering a new phase of construction, with a focus on completing the diversion tunnel by the end of the year to provide irrigation for 10.53 million acres of farmland [4]. Group 2: Innovative Construction Techniques - The Fuxiang Reservoir project is employing innovative techniques to balance land reclamation and ecological preservation, ensuring that agricultural land is protected while constructing the reservoir [6]. - The Yebatan Hydropower Station, located at a high altitude, is utilizing a digital management platform to ensure continuous concrete pouring throughout the year, demonstrating advancements in construction technology [8]. Group 3: Commitment and Community Impact - The construction of the Zang-Gui DC project, the world's first four-terminal ultra-high voltage flexible DC project, is expected to deliver over 43 billion kilowatt-hours of clean electricity annually, significantly impacting energy distribution [8]. - Workers at various sites express pride in their contributions to national projects, highlighting the social responsibility and community impact of these engineering endeavors [8].