Schoolchildren raising hands at classroom, wearing medical masks
Palabras clave
children,
safety,
education,
elementary,
classroom,
student,
medicals,
face,
virus,
group,
disease,
pandemic,
learning,
protection,
school,
quarantine,
young,
flu,
protective,
class,
prevention,
lesson,
studying,
indoor,
epidemic,
sick,
people,
outbreak,
wearing,
health care,
lecture,
distance,
answer,
mask,
small,
portrait,
reopen,
pupil,
children,
children,
boy,
return,
junior,
sitting,
desk,
table,
girl
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