One Chinese street food is described by some as "the world's oldest hamburger," here's a brief telling of its very long and interesting history.

Over the past century, Chinese food has become one of the most popular ... because of a 900-year-old story. The tale spoke of an exiled northern Chinese emperor who fell in love with the soup ...

At 120 years old, the restaurant is not just the oldest Chinese restaurant in California, it may be the oldest in the country. That's according to research by UC Davis, though Fong points out there's ...