Drive from Chongqing airport towards the city centre and the first things you notice are the cranes.
A grim mixture of mist and man-made pollution usually makes it difficult to see very far in this sprawling metropolis on the banks of the Yangtse River.
But even in the gloom I count fifty huge construction sites before we are halfway to our hotel.
The population of the city is expected to grow by 40,000 people this month, and every month for years to come.
The municipality of Chongqing, which includes a chunk of surrounding countryside, already has a population of 31 million. [Full Text]