Trading asphalt for housing and amenities

[NEW YORK] WHAT is the solution to affordable housing in New York?

One number has been repeated over and over - 200,000 subsidised units, to be built or preserved over a decade. Mayor Bill de Blasio promised it, but has yet to explain how he'll get there.

Here are two other numbers: 9 x 18. In square feet, that's 162, smaller than the most micro micro-apartment.