Hi! I'm a Fillipino working here in Changchun Jilin Province China. From Changchun, I will go to Beijing taking the CRH Train. From the train station I want to take the subway going to the airport. I just want to ask how to go to Beijing International Airport taking the subway from the Train Station? And how long it will takes? Kidly please give me the details on how to go to Bejing International Airport taking the subway. Thanks in advance.