Rear of Caucasian male lecturer writing math or physics formulas with chalks on blackboard. Back view on man teacher working at school. Lesson of mathemathics. Portrait of mathematician.
GLIX-111-415605550
Kollekció
GLIX Easy
Leírás
Rear of Caucasian male lecturer writing math or physics formulas with chalks on blackboard. Back view on man teacher working at school. Lesson of mathemathics. Portrait of mathematician.
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