End point: China Haidian Book City (Haidian Street)

Route 1: Take bus No.31from Beijing East Railway Station (Beijing Overseas Chinese Town-Chaoyang Park), transfer to bus No.302 (Xinzhuang-Chaoyang Bagou Village) at Tuanjiehu, and arrive at Beijing Seismological Bureau. About 28.43 kilometers.

Line 2: Take bus No.985 (Dahongmen Jimei Home-Shuangxing Garden) from Jiulong Mountain, and change to bus No.641at Jing 'anzhuang (south gate of Tulip Garden-east of Haidian Bridge) to arrive at the east of Haidian Bridge. About 27.86 kilometers.

Route 3: Take bus No.31from Beijing East Railway Station (Beijing Overseas Chinese Town-Chaoyang Park) and transfer to bus No.718 (Kangjiagou-Yihe Villa) at Haidian Bridge North, about 27.82km.

Route 4: Take bus No.715 (Sihuiqiao-Xiaoyueyuan Community) from Jiulong Mountain, and transfer to bus No.394 at Liuliqiao East (Liuliqiao East-Summer Palace) to arrive at Beijing Seismological Bureau. About 32.24 kilometers.