A top-down view of the northern runways of Atlanta Hartsfield Airport. The airport is generally considered the single busiest in the world as measured by total number of passengers. The busiest airport for international flights is London-Heathrow and the largest airport (at a massive 81 square miles) is in Riyadh, Saudi Arabia.

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The vast farms of the American midwest offer some great pattern spotting. These fields are just west of Grinnell, Iowa (where yours truly went to college).