The longest wavelength of light that humans can see is red. Like the color of autumn in Japan, like Hinomaru, the sun disc on Japanese flag and the torii of Shinto shrines

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Hakone
http://www.downloadpps.com/places/viewdownload/5-places/5918-japan8-hakone
http://www.downloadpps.com/places/viewdownload/5-places/5917-japan7-hakone-open-air-museum7 http://www.downloadpps.com/places/viewdownload/5-places/5916-japan6-hakone-open-air-museum6 http://www.downloadpps.com/places/viewdownload/5-places/5915-japan5-hakone-open-air-museum5
http://www.downloadpps.com/places/viewdownload/5-places/5914-japan4-hakone-open-air-museum4
http://www.downloadpps.com/places/viewdownload/5-places/5913-japan3-hakone-open-air-museum3
http://www.downloadpps.com/places/viewdownload/5-places/5912-japan2-hakone-open-air-museum2
http://www.downloadpps.com/places/viewdownload/5-places/5911-japan1-hakone-open-air-museum1

Iris
http://www.downloadpps.com/history/art/viewdownload/16-art/4635-japan-rain-snow-art19
http://www.downloadpps.com/history/art/viewdownload/16-art/4634-japan-rain-snow-art18
http://www.downloadpps.com/history/art/viewdownload/16-art/4633-japan-rain-snow-art17 http://www.downloadpps.com/history/art/viewdownload/16-art/4630-japan-rain-snow-art16
http://www.downloadpps.com/history/art/viewdownload/16-art/4629-japan-rain-snow-art15
http://www.downloadpps.com/history/art/viewdownload/16-art/4628-japan-rain-snow-art14