Group 1 - The Dalian Changhai Bridge project has officially entered the full construction phase, with the first steel pipe pile being installed, marking significant progress in the project [1] - The project is part of the "14th Five-Year Plan" and is the first cross-sea bridge in Northeast China to adopt a public-private partnership model, with a total investment of 7.9 billion yuan [2] - The bridge will span 25.5 kilometers, including a 19-kilometer sea section and a 6.5-kilometer land section, and is expected to be completed by 2029 [2] Group 2 - The completion of the Dalian Changhai Bridge will significantly improve transportation between the island and the mainland, enhancing the living conditions of island residents and promoting economic development [3] - The project focuses on three main tasks this year: construction of the main navigation hole bridge foundation, establishment of the main trestle bridge, and construction of the coastal interchange bridge [3] - Advanced technologies such as digital twin technology, Beidou positioning, and 5G smart systems will be utilized to monitor construction progress and quality, ensuring a safe and efficient project [3]