Also, Wuhan - you might possibly have heard of this place in the news recently.
It's built on another confluence of the Yangzte, where historically three major competing cities met, facing off across the waters -but now've become one.
It's got a stupid amount of massive, record breaking bridges to knit the centres together.
The latest addition is the world's second longest bridge 5,600ft span, 836ft tall pylons)
It also operates the world's biggest lightshow every night, that beats the hell out of the HK or Shenzhen ones -300 LED'd buildings incorporating over 20km of riverfront:
• Video Link