TeaLeafNation uses China's dominant search engine Baidu's search history to finish half-written questions about different provinces in China.
— FP's Tea Leaf Nation (@TeaLeafNation) March 4, 2014 
They plot the stereotypes onto an interesting map about China. For example, Beijing was associated with “smog” and Xinjiang was considered as “being chaotic”. The piece  has also explained the stereotypes about different provinces in details.