Here's the list of links to the series "Street Food" suggested by a food studies colleague, Chelsie,  a while ago...

Street Food Zanzibar (Tanzania), part 1: 

Street Food Zanzibar, part 2: 

Street Food Cairo (Egypt), part 1:

Street Food Cairo, part 2: 

Street Food Nairobi (Kenya) part 1: 

Street Food Nairobi, part 2: 

Street Food Mumbai (India), part 1: 

Street Food Mumbai, part 2: 

Street Food Jerusalem, part 1: 

Street Food Jerusalem, part 2:

Street Food Fez (Morocco), part 1: 

Street  Food Fez, part 2: 

Street Food Palermo (Sicily), part 1: 

Street Food Palermo, part 2: 

Street Food San Sebastian (Basque Spain), part 1:

Street Food San Sebastian, part 2: 

Street Food, London’s Multicultural Brick Lane, part 1

Street Food, London’s Brick Lane, part 2: 

Street Food Beijing part 1: 

Street Food Beijing part 2: 

Street Food Osaka (Japan), part 1:

Street Food Osaka, part 2: 

Street Food Penang (Malaysia), part 1: 

Street Food Penang, part 2: 

Street Food Lima (Peru), part 1: 

Street Food Lima, part 2: 

Street Food Kingston (Jamaica) part  1: 

Street Food Kingston, part 2: 

Street Food New York City, part 1: 

Street Food New York City, part 2:

Street Food Montreal (‘French’ Canada), part 1:

Street Food Montreal, part 2:

And from a different source, street food in Tehran (Iran):