Pupil writing on the board in an elementary school lesson
Palabras clave
man,
adult,
20s,
children,
children,
boy,
girl,
caucasian,
education,
school,
classroom,
lesson,
student,
pupil,
classmate,
schoolboy,
schoolgirl,
teacher,
communication,
writing,
watching,
learning,
teaching,
sitting,
standing,
interest,
attention,
youth,
childhood,
development,
cognition,
elementary school,
elementary school,
whiteboard,
backview,
waist up,
us,
selective focus,
copy space,
horizontal
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