From: jdnicoll@panix.com

Five Artificially Layered Planets and World Cities

Need More Surface Area? Why Not Build More?

https://reactormag.com/five-artificially-layered-planets-and-world-cities/
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My reviews can be found at http://jamesdavisnicoll.com/
My tor pieces at https://www.tor.com/author/james-davis-nicoll/
My Dreamwidth at https://james-davis-nicoll.dreamwidth.org/
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