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Networks:
Watch Providers:
JustWatch makes it easy to find out where you can legally watch your favorite movies & TV shows online. Visit JustWatch for more information.
Would you believe that in a nation with 3.5 million square miles of territory, 99 percent of us are crowded into only 8 percent of the land! How did that happen? This episode looks at where we live and why. We chart the influence of seven inventions that moved us out, up, down and out.