yes a sign of economic contraction !
Beijing set a new record low in average annual concentration of PM2.5, which read 38 micrograms/m3 in 2020, down 9.5% from 2019. The capital city of China reported 276 days with good air quality last year, an increase of 36 days from 2019, a city official said Monday.pic.twitter.com/ixS1yeJzhE
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Bull
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#Wuhan want justice#WuhanVirusThanks. Twitter will use this to make your timeline better. UndoUndo
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Was any of that great outcome because of Covid-19 lockdowns?
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