Core Viewpoint - The Algerian government has made progress in selecting a site for the Boughezoul International Airport project, with a new location proposed by consulting firm SAETI after previous sites were rejected for technical and safety reasons [1] Group 1: Site Selection Progress - The initial proposed site at Ouled Maaref was close to the new city but did not receive approval from relevant authorities [1] - Other evaluated sites, including An Ouksir and Boua ch, were excluded due to complex terrain, flood risks, and non-compliance with airport construction technical standards [1] - The newly proposed site is located approximately 67 kilometers east of Boughezoul, spanning the provinces of Médéa and Djelfa, and is seen as a significant step towards the project's realization [1] Group 2: Project Importance - The airport project is considered a crucial infrastructure initiative to alleviate air traffic pressure in the capital and support the long-term urban and economic development plans for the new city of Boughezoul [1]

Group 1: Key Projects in Hainan Free Trade Port - The construction of key projects in Hainan Free Trade Port is accelerating during the "May Day" holiday, with significant progress being made on multiple fronts [1][2] - The expansion of Sanya Phoenix International Airport is a major focus, with the T3 terminal's construction advancing, including 55% completion of the external curtain wall and 65% of the electromechanical installation [1] - The Jin Cheng·Jin Dian Water Front urban renewal project in Haikou is nearing completion, with the main structure fully capped and set to launch in June [2] Group 2: Infrastructure Development - The Hainan 500kV main grid project is underway, with over 300 kilometers of transmission line construction completed and more than 80% of the tower installation finished [2][3] - The project involves an investment of approximately 5.7 billion yuan, including the construction of three substations and about 838 kilometers of transmission lines [2] - The construction of the provincial grain storage facility is also progressing, with over 420 workers on-site and the first dome structure expected to be capped by the end of May [3][4] Group 3: Technological and Operational Advancements - The projects are utilizing mechanization and digital technology to enhance construction efficiency and safety, ensuring timely completion [3] - The grain storage project features China's first "silo machine" developed by China State Construction Engineering Corporation, marking a significant advancement in grain storage technology [4]