Group 1 - The city has launched a summer cooling initiative by opening 58 civil air defense service points to provide temporary relief from the heat [2][3] - The total area of the 58 service points is 4,078 square meters, strategically located near high foot traffic areas such as subway stations, residential communities, and large commercial areas [2] - Among the service points, 5 have been designated as year-round civil air defense service stations, equipped with various amenities and emergency supplies [3] Group 2 - The largest service point covers an area of 300 square meters, located at the intersection of Zhongyuan Road and Tongbai Road, while there are 5 additional points ranging from 200 to 300 square meters [2] - The initiative aims to transition from temporary cooling measures to a more permanent community service, with plans to evaluate and potentially establish more year-round service stations after the cooling period [3]