Empty, desolate and deserted aerial view directly above parking lot at National Autonomous University of Mexico, covid-19 pandemic and quarantine, overhead rising drone

empty desolate desert aerial view directly above parking lot national autonomous university mexico covid19 pandemic quarantine overhead rising drone travel school nobody no people outside coronavirus corona virus disease virus health safety outbreak mers respiratory cov outdoor contagious illness covid 19 closed restriction shutdown epidemic day threat spread contamination 2019ncov lockdown lock down disease prevention confinement