If you wonder what the "key to the city" opens:
[quote]The key to the city is a similar award used in several countries, especially in the United States, to honor esteemed visitors, local residents, and organizations. This honor involves the ceremonial presentation of an ornamental key but carries no formal privileges or distinctions.[/quote] (Wikipedia
"Her coaches, Liang Qiao and Liwen Zhuang, were honored during the recent council meeting."