Sagan Planet Walk in Ithaca, NY: http://www.sciencenter.org/saganpw/map.asp | Hacker News

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invisiblefunnel on Feb 15, 2011 | parent | context | favorite | on: The Sweden Solar System

Sagan Planet Walk in Ithaca, NY: http://www.sciencenter.org/saganpw/map.asp

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