Its narrow alleys are crowded with shops selling foodstuffs, spices, herbal medicines, cookware in fact, anything that China exports.
There are no shops to be found anywhere in its narrow alleys. 
mnli hypothesis: There are no shops to be found anywhere in its narrow alleys.  premise: Its narrow alleys are crowded with shops selling foodstuffs, spices, herbal medicines, cookware in fact, anything that China exports.