Hay Fever Season in Japan

Hay Fever Season in Japan
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Tokyo, Japan – People wear protective face masks in downtown Tokyo, March 8, 2013. Throughout Japan, Spring is known as the season for hay fever. Hay fever, or Kafunsho in Japanese, is most commonly caused by pollen from Cryptomeria and Japanese Cypress, two native Japanese tree species. (Photo by Yohei Osada/AFLO)

Hay Fever Season in Japan
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Tokyo, Japan – Protective face masks are shown on sale at a drug store in downtown Tokyo, March 8, 2013. Japan is particularly subject to hay fever due to the great number of Cryptomeria and Japanese Cypress tree reforestation in the 70s, where these species were important resources for the construction industry. This year the hay fever season is also influenced by the Asian Dust, a flow of dust and pollution brought to Japan from China by strong westerly winds. (Photo by Yohei Osada/AFLO)