40s
adult
book
borrowing
building
campus
caucasian
class
classroom
college
education
evening class
file
folder
forties
further education
glasses
happy
higher education
holding
horizontal
indoors
learning
library
male
man
mature
men
middle aged
one person
people
person
research
school
shelves
smiling
spectacles
standing
student
studying
textbook
university
waist up
working