Attentive Senior Man with Grey Beard and Glasses Listening Intently in a Conference Hall.
Palabras clave
adult,
audience,
auditorium,
beard,
business,
businessman,
careful,
casual attire,
chair,
conference,
education,
event,
eyeglass,
expert,
goggles,
grey,
hair,
hall,
indoor,
interest,
learn,
lecture,
listening,
male,
man,
mature,
meeting,
mentor,
people,
presentation,
prof,
senior,
seminar,
student,
teacher,
workshop,
looking,
man,
lifestyle,
person
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