This podcast episode explores the concept of pocket parks, which are small public parks that can provide ecological, economic, and public health benefits in urban areas. It discusses how pocket parks are gaining popularity in urban planning as a cost-effective solution to improve the living environment. Examples from cities like Beijing, Xiamen, and Shanghai highlight the importance of community involvement in the maintenance and success of pocket parks. Additionally, the episode touches on the rise of Tianshui as a tourist destination and the importance of storytelling in attracting tourists.