Group 1 - The Guangzhou government is advancing 291 urban quality improvement projects, focusing on areas such as roads, parks, rivers, and street lighting [1] - 173 projects have been completed, with the remaining expected to be finished by August 31, aiming to share the benefits of the 15th National Games with the public [1] - 40 design guidelines have been established, and 30 event venue surrounding areas are being developed to enhance public recreational spaces [1] Group 2 - Key infrastructure projects include the East Xiaonan Road - Guangzhou South Station connection and the Wushan Road - Guangyuan Road interchange, with plans to complete several intercity rail lines before the National Games [2] - The construction of four metro lines (five sections) is being accelerated, with the goal of opening them before the National Games [2]