Ключевые слова: 2020, back to school, background, blue, chair, chairs, chalkboard, children, class, classroom, closed, college, coronavirus, covid19, disease, distance, education, educational, effects, empty, empty classroom, face, furniture, interior, lecture, light, lockdown, mask, medical, modern, new normal, nobody, outbreak, pandemic, primary, protection, pupil, quarantine, room, safety, school, schoolroom, seat, social distancing, table, teacher, teaching, university, virus, wood,