Para reabrir las escuelas hay que abrir las ventanas - TOP NEWSPAPAER

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Monday, 1 March 2021

Para reabrir las escuelas hay que abrir las ventanas


By POR NICK BARTZOKAS, MIKA GRÖNDAHL, KARTHIK PATANJALI, MILES PEYTON, BEDEL SAGET AND UMI SYAM from NYT Science https://ift.tt/3q5D3LR

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