Male professor teaching group of students during class at college classroom.
Palabras clave
prof,
instructing,
student,
classroom,
university,
lecture,
lecture hall,
adult,
back to school,
caucasian,
class,
college,
education,
high school,
higher education,
indoor,
cognition,
learn,
lifestyle,
man,
mature,
people,
professional occupation,
senior,
study,
talk,
tutor,
white
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