하늘이 청정한 이유?

in date •  7 years ago 

공기가 어디에서 어떻게 흐르는지 데이타가지고 이야기합시다.^^

실시간 한반도 상공 공기흐름 즐감하세요.
#data

https://earth.nullschool.net/#current/chem/surface/level/overlay=cosc/orthographic=-234.42,38.30,2358/loc=127.148,37.429

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