地下长城焕新颜：山东“战备空间”变身民生服务新引擎

Group 1 - The core viewpoint of the article highlights the transformation of civil air defense (CAD) facilities in Shandong Province, which are evolving from traditional wartime structures into multifunctional spaces that address public needs and enhance urban life [3][6]. - The Shandong Provincial Civil Defense Office is actively promoting the integration of civil defense resources into community services, demonstrating a commitment to the principle of "civil defense for the people" [7]. Group 2 - The establishment of 47 public civil defense facilities has created 438,000 square meters of cooling space, serving as summer heat relief stations equipped with emergency supplies and recreational amenities [4]. - Approximately 2.5 million underground parking spaces have been released to alleviate urban parking shortages, particularly in densely populated areas and near schools and hospitals [5]. - Civil defense projects are contributing to urban economic development, with examples such as the Qingdao underground commercial street that combines shopping, dining, and cultural spaces, generating significant employment opportunities [6]. - The creation of 19 permanent national defense education venues integrates national defense education with public safety awareness, enhancing community engagement and patriotism [7].