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A comment on Saudi Crown Prince Asks, Answers What If a City, but It's a 105-Mile Line. Parent comment

Re:Saudi Crown Prince Asks, Answers What If a City, but It's... by obscoth on Wednesday January 13, 2021 @03:31PM (#25767574)
5 mile diameter ~ 20 mi^2.

SF is proverbially 7x7 = 49 mi^2.

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