Back view on Caucasian male lecturer writing math or physics formulas with chalks on blackboard. Man teacher working at school. Lesson of mathemathics. Rear of mathematician.
GLIX-111-415605006
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Leírás
Back view on Caucasian male lecturer writing math or physics formulas with chalks on blackboard. Man teacher working at school. Lesson of mathemathics. Rear of mathematician.
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