Leitor brilhantemente sorridente está em pé antes do grupo e conversando com os alunos. Eles estão sentados. - Banco de fotos e imagens

What is this. Serious guy is standing at blackboard and hardly elucidating information. Group asking questions

Concentrated student is standing in front of board and drafting. Group attentively looking at him

Smart male participant is standing near board with charts. Group is sitting and looking at him

Attentive lector is standing afore audience and waiting of issue. Focus on raised hand

Guy is standing in front of group and absorbedly talking about conception at board

Business people designer architects teamwork brainstorming planning office meeting concept

What is it. Happy teacher showing on picture. Girl rising hand up. She knowing answer

Serious bearded businessman describing scheme while gesticulating hands. Concentrated partners looking at it. Profession concept

Professional young businessman is making a presentation in office. He is standing near the whiteboard and smiling. His colleagues are sitting and writing down the information

Concentrated man demonstrating presentation on board while talking with partners during job

Man standing near white board with diagram and speaking to group of colleagues

Skillful young businessman is showing a presentation to his colleagues. He is standing and pointing at the diagram on board. The men and women are sitting and smiling