Reflects the climate characteristics of Guangzhou. Guangzhou belongs to subtropical humid climate, and there are many weather phenomena such as thunderstorms and strong winds in summer, among which rainstorm is the representative. The rainstorm in Guangzhou is also related to the history and folk customs of Guangzhou. For example, in the past festivals and celebrations, people prayed for rain to avoid drought and floods. Heavy rain largely reflects the climate characteristics and cultural heritage of Guangzhou, so it is a city song. Guangzhou, also known as Yangcheng, Huacheng and Wuyangcheng, is a prefecture-level city under the jurisdiction of Guangdong Province, the capital of Guangdong Province and a sub-provincial city.