Which line does Yongfeng Metro South Station take to the north gate of Beijing International Book City?
Line 16, take line 16 from Yongfeng Metro South Station and get off at National Library Station, then transfer to Metro Line 4 and get off at caishikou station and transfer to Line 7, get off at the southwest exit D of Wansheng East Station, take bus No.566 from Wansheng East Station and get off at Beijing International Book City Station, and walk160m to the north gate of Beijing International Book City.