"Back street" businesses near universities have seen better days…
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Businesses selling food, booze and books tucked away in the back streets of university campuses rake in big bucks. Year after year, new students come in and bring with them high demand for just such services, normally. Things are looking a bit shaky this time around. A fair number of business owners have experienced a dip in foot traffic. What's behind this change? On the show: Heyang, Li Yi & Josh Cotterill