Roast duck, which can be traced back to the Southern Song Dynasty, can be regarded as one of the oldest dishes in Chinese history. Afler Emperor Yongle made Beijing the capital of the Ming Dynasty, roast duck was introduced to northern China, where it turned from a folk snack to a court delicacy. As a famous dish in Beijing, Beijing roast duck is renowned at home and abroad, being acclaimed as "a delicacy of the world" for its reddish bright color, tender meat, rich flavor and fat but not greasy taste. Generally speaking, a foreign tourist will definitely have a try of Beijing roast duck while travelling in Beijing. There is a common saying which puts it quite fittingly: He who has never been to the Great Wall is not a true man; he who has never eaten the Beijing roast duck is sure to regret. From this we know how important Beijing roast duck is in people's eyes.