The Central Axis of Beijing, stretching nearly 8 km from Yongding Gate in the south to the Bell Tower in the north, is the core area of the old city of Beijing.

The Central Axis of Beijing, stretching nearly 8 km from Yongding Gate in the south to the Bell Tower in the north, is the core area of the old city of Beijing. It is also the longest urban central axis still existing in the world. #VideofromChina