Satellite images released by NASA and the European Space Agency reveal that air pollution over China has gone down since the coronavirus outbreak.
원문출처 : https://www.cnn.com/2020/03/01/world/nasa-china-pollution-coronavirus-trnd-scn/index.html
원문출처 : https://www.cnn.com/2020/03/01/world/nasa-china-pollution-coronavirus-trnd-scn/index.html