Bao du means "fried tripe," even though it's not fried at all. The classic Beijing dish is loved by many, but certainly not all. The lining of the cow stomach can be divided into different bao du dishes, both of which make host William Wang rather uncomfortable. Click on the vid to see his hilarious reaction to his first taste of the dish.
Source:
http://english.cri.cn/6566/2015/05/19/44s879342.htm
