Group 1 - The article highlights the development of affordable housing in Shanghai, specifically targeting migrant workers and young residents, with a focus on the "New Era City Builders' Management Home" initiative that offers low rent in a high-demand area [2][3] - Shanghai has supplied a total of 610,000 units of rental housing, contributing to the housing security for new citizens and young people [3] - The article emphasizes the transformation of living conditions for residents, showcasing the modernization of housing facilities, including the elimination of outdated sanitation practices [3] Group 2 - The article discusses the rapid development of Xiong'an New Area, illustrating its transformation from a barren land to a modern city with comprehensive urban planning [5][6] - Xiong'an has implemented a "green first, then build" approach, with extensive green spaces and modern infrastructure, including over 5,338 buildings and a sophisticated underground utility management system [5][6] - The integration of digital technology in urban planning is highlighted, with Xiong'an achieving a "twin city" concept that synchronizes digital and physical urban environments, collecting over 30 billion public data points [6]