21135
Beijing was hit by a blizzard starting the evening of the 2nd , with 70 – 80 % of flights cancelled out of Beijing Capital International Airport , on January 4 .
 Beijing, Beijing Capital International Airport
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 Beijing, Beijing Capital International Airport