hi! how do we go to great wall from fairmont hotel in Beijing? from great wall how do we go to changling tomb?

Walk from your hotel to Yong'anli MTR Station to take subway line 1 to Fuxingmen Station, where transfer to subway line 2 to Jishuitan. Get out from exit B and you can walk to Deshengmen, where transfer to bus no. 919 or 880. Either of them will take you to the wall directly.

To Changling, you can take bus 919 or 880 to Changping Xiguan Huandao West Station to transfer to bus no, 925 at Changping Xiguan Huandao bus stop to Changling directly.