21849
In the past two years , a group of foreign businessmen have successively expressed a desire to get their feet wet in urban construction in Xining .
 the past two years, Xining
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: date, organization, person, geographical social political, national religious political, facility, cardinal, location, work of art, law, event, product, ordinal, percent, time, quantity, money, language 
Text: {0} 
Answer:
 the past two years, Xining