Core Insights - The article discusses the rising popularity of "cool healing cities" during the summer, characterized by pleasant climates and rich cultural atmospheres, as people seek comfortable travel destinations rather than just picturesque spots [1][4]. Group 1: Characteristics of "Cool Healing Cities" - These cities are defined by their ability to provide comfort, featuring natural cooling conditions such as sea breezes, forests, lakes, and shaded old streets, along with a strong cultural background [4]. - Examples include Guiyang and Dalian, which are noted for their refreshing summer climates and cultural richness, making them ideal for relaxation [4]. Group 2: Notable Cities and Their Appeal - Xi'an, although known for its heat, offers a unique combination of urban cultural experiences and nearby mountainous areas for physical cooling, appealing to those who want both civilization and nature [5]. - Lanzhou, with its historical significance and cooler, drier summer climate, provides a blend of cultural experiences and natural beauty, making it attractive for visitors [5]. Group 3: Target Audience - "Cool healing cities" cater to both cultural enthusiasts and vacationers seeking a pleasant climate, particularly appealing to families and tourists looking for a combination of cultural immersion and natural tranquility during the summer [5].