seven acres--seven billion

the walled city of kowloon, 35'thousand people living on almost 7 acres of land in 10 to 14 floor-high buildings. at the same density the 2'and a half million people living in toronto could be housed in a little less than a square mile. while the population of canada at a rounded off 35'million could be housed in an area of 11 square miles and the 7'billion people of the world could be housed at the same density in a little more than 2'thousand square miles.