Iskolai oktatás és tudás fogalma. Iskola hitel tanterem. Férfi szakáll fehér téglafal háttér. Komoly arccal professzor tart ceruza - Stock fotó és kép

School education and knowledge concept. Teacher and school supplies in classroom. Man with beard on white brick wall background. Professor with serious face holds pencil

Tutor and school supplies in classroom. Studying and education concept. Professor with beard and glasses on white brick background. Man with happy and thoughtful face sits at desk with rolled paper

Portrait of male teacher from preschool or elementary school in class. Funny tutor

Alternative education and knowledge concept. Professor with happy face expression sits at desk and holds map. Teacher and school supplies in classroom. Man with beard on white brick wall background

Classic education and knowledge concept. Man with beard on white brick wall background. Teacher and school supplies in classroom. Professor with happy face sits at desk and holds rolled paper

Portrait of confident caucasian male teacher in classroom. Man tutor or young professor. School teacher at desk. Studying, learning, training concept

Tutor and school supplies in classroom. Studying and education concept. Professor with beard and glasses on white brick background. Man with happy and thoughtful face sits at desk with rolled paper

Professor with concentrated face expression sits at desk. Man with beard on white brick wall background. School education and knowledge concept. Teacher and school supplies in classroom.

Professor with happy face having idea. Teacher and school supplies in classroom. Man with beard on white brick wall background. Education and knowledge concept.

School teacher. School education and preparation concept. Teacher and school supplies in classroom. Professor with serious face expression sits at desk. Man with beard on white brick wall background.

Man with beard on white brick wall background. Education and knowledge concept. Teacher and school supplies in classroom. Professor with busy face expression sits at desk and prepares for lesson

Girl and man sit at desk and look into microscope. Teacher and schoolgirl in study room on white brick background. Classroom and alternative education concept. Kid and tutor with happy and busy faces

Teacher and school supplies in classroom. Education and knowledge concept. Professor with busy face expression sits at desk and writes. Man with beard on white brick wall background

Professor with serious face expression stands by desk with paper. Man with beard on white brick wall background. Teacher and school supplies in classroom. Classic education and knowledge concept

Drunk man at the end of the working day. Drunk businessman in office. Concept of alcoholism

End of the working day. Business man with beer bottle in hand