Meet Xuzhou's Yaowan, a trade hub on the Grand Canal
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 At its zenith, Yaowan boasted guildhalls of eight provinces; Jiangxi, Shanxi, Shandong, Henan, Hebei, Anhui, Fujian, and Jiangsu. There were more than 360 post offices, money houses, stores, pawnshops, factories and workshops.
 
     
    






















