Bus 936 to/from Huanghua Cheng

To be exact, it is the branch line of no. 936 and you can take it at Dongzhimen. However, there is more than one branch line with totally different routes and some fake ones can be found there. In case you get on the wrong one, it is better to take no. 916 to Nanhuayuan Sanqu. Walk for 3-5min to Qingchunlu Nankou and get on no. H21. Get off at Xishuiyu and you can see the Wall.