Unfortunately, I couldn't find any reliable sources or information on Zhong Wanbing and Xia Qingzi. It's possible that they are fictional characters, or they may be lesser-known individuals who don't have a significant presence online.

However, I can try to provide some general information on the topics of crows and tigers, which might be of interest.

In Chinese culture, both crows and tigers hold significant symbolic meaning. Crows are associated with the sun, creativity, and good fortune, while tigers are revered as powerful protectors, representing strength, courage, and vitality.