A local resident brings home the supply she received in the suburban district of Brasilia, capital of Brazil, Aug. 17, 2020. Brazilian doctor Mariana Correa donated basic sanitation supplies and food to impoverished people in Brazil with the tuition she collected from the online course platform she set up amid COVID-19 outbreak. (Photo by Lucio Tavora/Xinhua)

Local residents queue to receive supply in the suburban district of Brasilia, capital of Brazil, Aug. 17, 2020. Brazilian doctor Mariana Correa donated basic sanitation supplies and food to impoverished people in Brazil with the tuition she collected from the online course platform she set up amid COVID-19 outbreak. (Photo by Lucio Tavora/Xinhua)

A local resident brings home the supply she received in the suburban district of Brasilia, capital of Brazil, Aug. 17, 2020. Brazilian doctor Mariana Correa donated basic sanitation supplies and food to impoverished people in Brazil with the tuition she collected from the online course platform she set up amid COVID-19 outbreak. (Photo by Lucio Tavora/Xinhua)