This is the first of several mega-cities in the works with populations of between 50 million and 100 million people within the decade. This area currently represents about 10% of China's economy. Steve.
China plans megacity with 42 million people - SmartPlanet: "the plan will reportedly occur within a six-year timetable, and includes about 150 infrastructure projects, from transportation to energy to water and telecommunications.
The cost? About $303.8 billion."