Group 1 - The article highlights the blooming of a 30-acre peony flower sea in Tongzhou, showcasing various beautiful varieties and attracting visitors for free [2][4] - The article mentions a series of engaging activities prepared for children during the overlap of the Dragon Boat Festival and Children's Day, including non-heritage exhibitions and science experiments [6] - The "Xinlongfu People's Market" outdoor drama event is introduced, featuring immersive art experiences through outdoor performances and interactive technology [8] Group 2 - The article discusses the introduction of several universities to the Beijing urban sub-center, optimizing educational resources with campuses from Tsinghua University, Renmin University of China, and others [10][11] - The construction progress of the Tonghuai Road project, a key transportation project in Beijing, has reached 91%, with expectations for full operation within the year [13] - The article describes the sub-center as a popular destination for high-quality agricultural products, highlighting various local produce available during the summer [20]

Group 1 - The Hangzhou Airport High-Speed Railway project has successfully completed the first movable formwork beam pouring, laying a solid foundation for the subsequent large-scale production and erection of box beams [1] - The project has a total length of approximately 72 kilometers, with segments designed for speeds of 350 km/h, 250 km/h, and 160 km/h, and is expected to be completed in four years [1] - The Wenyi West Road Extension Project (Phase II) has successfully completed the first hoisting of the shield machine, marking a significant milestone in the construction process [2] Group 2 - The East section of the Wenyi West Road Extension Project will connect key technology hubs, alleviating traffic pressure in the western urban area and optimizing the regional road network [2] - The Hangzhou Metro Line 4 has achieved a significant milestone with the successful reception of the first shield machine in the section from Xingqiao Station to Xingshi District, marking the start of the final push for the project [3] - As of the first quarter, all 80 new stations of the Hangzhou Metro Line 4 have commenced protective structure construction, with 56 stations entering the main structure construction phase [3]