Like Beijing's bean juice, only Beijing people will like (and still old people like, young people will not be much) Bakudan I do not think it will be like lamb kebabs, Xi'an steamed buns, there is such a wide audience.

Local snacks and his culture, not necessarily suitable for the whole country. The roast duck in Quanjude is both good and bad everywhere.

As for them to join or not to join, I do not know. But the explosive belly is not so mysterious. Don't listen to what they say is very profound. Mystery fire ah, time ah. Basic is to choose a good sheep belly and tripe of different parts. According to the thickness of the material, master the time to burst.