Known as the "Mountain City," southwest China's Chongqing Municipality is a modern urban sprawl packed with skyscrapers built on towering hills. Located in a 19-storey residential structure, Liziba Station takes the lead in pushing the city's public transport forward with the wisdom of linking residential apartments with the city's light railway system. The train disappears into the building as it passes through, like a scene out of a futuristic science fiction film, which has long become one of the city's most-visited tourist spots.

Editor's note: This report focuses on Chongqing as part of our special series "Rising Star Cities," which is about Chinese cities whose annual GDP exceeds 1 trillion yuan ($155.4 billion, or more than the GDP of Qatar). At the end of 2020, there were 23 such cities. Click here for more stories on Chongqing.