3 ms·
The Sagan walk (he used to teach at Cornell) in Ithaca, NY, is pretty well-known: http://en.wikipedia.org/wiki/Sagan_Planet_Walk http://en.wikipedia.org/wiki/Sa
by mturmon 13y ago
The Sagan walk (he used to teach at Cornell) in Ithaca, NY, is pretty well-known: http://en.wikipedia.org/wiki/Sagan_Planet_Walk http://en.wikipedia.org/wiki/Sagan_Planet_Walk