Manhattan used to be far more dense than it is today http://www.vox.com/2014/9/23/6832975/manhattan-population-density http://www.vox.com/2014/9/23/6832975/man

Manhattan used to be far more dense than it is today http://www.vox.com/2014/9/23/6832975/manhattan-population-density http://www.vox.com/2014/9/23/6832975/manhattan-population-de...