back to school. school-age boy with a protective medical mask on her on his face with a school backpack. new school year in 2020.c

2020 alegria back backpack bag boy caucasian child city coronavirus covid19 dergarten distance educate education elementary face friendship happyhealthy kid learn learning little mask medical ncov new online outdoor pandemic primary protection protective pupil quarantine respiratory safe school schoolbag skin social son student study studying virus wearing year