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_ Billion-Pixel Image Tool Probes Science Mysteries
http://news.nationalgeographic.com/news/2010/11/101112-gigapan-science-panoramas-technology/
将棋の日, ドラフト記念日, 蓮根の日, 国際学生の日(International Students' Day),
肺がん撲滅デー, 島原防災の日, 談山神社もみじ祭（奈良県桜井市）,
