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Here’s a summary of the provided text:
Downsview Airport in Toronto, Canada is being transformed into a new urban development called “YZD”.
* Scale: The project will house 66,000 residents across 30,000+ properties on the 370-acre site. It could accommodate up to 83,500 people by 2051.
* Cost: The 30-year scheme is estimated to cost £16 billion, making it one of the largest developments of its kind in North America.
* Design: It will consist of seven interconnected neighborhoods.
* Key Feature: The 1.24-mile runway will be converted into a pedestrian park connecting the neighborhoods.
