A man holds a piece of chalk, as if ready to write on a chalkboa
Palabras clave
blackboard,
blank,
caucasian,
chalk,
blackboard,
dirty,
education,
empty,
equipment,
finger,
fingernail,
green,
grip,
guy,
hand,
hold,
woman,
man,
nothing,
old,
person,
school,
instructing,
teacher,
white,
worn,
write
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