How does it relates to the recent real estate crisis in the USA? William Frey wrote down some of his thoughts on this (more here).
*Click here if you want learn how to built this kind of map (using JavaScript, Python and MySQ) .
By the way, here is related map by William Frey.
soundtrack: Tulipa Ruiz (Brazil)
*Click here if you want learn how to built this kind of map (using JavaScript, Python and MySQ) .
By the way, here is related map by William Frey.
[image credit: William Frey]