How can I get a shuttle bus from Dongzhimen to beijing airport?

The pick-up station of airport shuttle bus line 3 is located at the newsstand, the south side of street, 55 yards east of the bridge. It's easy for you to find out.
The service hour of this route is 05:00 to 21:00 with the interval of no more than 20 minutes.
The ticket fare is CNY 21 per adult.