During this year's "May Day" holiday, driven by the "top female star" Panda Huahua, the Chengdu Giant Panda Breeding Research Base ranked second among the top ten popular attractions in China. Behind the ubiquitous "panda fever" is the joint development of panda IP by Chengdu government and enterprises for many years.

How to use giant pandas to improve the energy level of a city? Chengdu Business Daily-Red Star News In-depth Reporting Group investigated this.