From Greater Greater Washington: same area, different patterns of streets and lots, i.e. neighborhood streets and townhouses in 1949 vs. highway, towers, and what looks like a master-planned campus in 1979. What are the benefits of each? Which is more dense? Which includes more jobs? Which includes more amenities? Which would you rather walk in? Which allows the community to incrementally evolve? Is "fragmentation of ownership" a sign of blight, as some states define it? Full post here with images from HistoricAerials.com.