How to get to Tiananmen Square from Beijing Capital Airport?

Upon arrival, take airport express from PEK to Dongzhimen Station first. The ticket fare is CNY 25 per person. And the duration is around half an hour. Then transfer to metro line 2 to Qianmen Station, Exit A. It takes around 15 mins with the fare of CNY 4 per person. After arriving, walk northeast around 350 yards to find the square.