Regional variations in Vietnam involve adding headcheese, pork sausage and various other vegetables.

BBC: Is the banh mi the world��s best sandwich?

For the track Vegetables, session musicians harmonised on various foods of the earth, including a carrot munched on by a passing Paul McCartney.

BBC: Brian Wilson

Aisles snaking between the various shops and counters lead to bountiful displays of cakes, shiny unblemished fruits, packages of pickled vegetables and marbled cuts of marbled wagyu beef.

BBC: The depachika of Tokyo