Protection Concept. Portrait of asian girl wearing medical surgical face mask to prevent infection, illness, flu or covid-19, pointing at her covered mouth standing in classroom at school. Pandemic
School children standing in the hallway wearing a protective mask
Coronavirus Impact On Education, New Rules. Little boy sitting at table in classroom at school or kindergarten, wearing protective medical mask, writing or drawing in textbook, listening to teacher
Portrait of female teacher in protective face mask at school
Teacher and children with face mask standing in the school
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