Radosny dojrzały profesor trzymający kredę w pobliżu wielonarodowych studentów na uniwersytecie - Zdjęcie stockowe & obraz

Mature teacher pointing with hand near multiethnic students using laptops in university

Mature professor talking during lecture near multiethnic students in university

Smiling teacher talking near blurred interracial students in university

Middle aged teacher pointing with hand near multiethnic students and laptops in university

Mature professor holding chalk near multiethnic students in university

Smiling teacher holding notebook and looking at camera near blurred multiethnic students in university

Smiling teacher talking near interracial students with notebooks in university

Professor pointing at student during lecture in university

Teacher pointing at chalkboard near blurred interracial students in university

Middle aged speaker pointing at document near blurred audience during business conference

Political agitator looking at notebook in front of voters in conference room, blurred foreground

Back view of blurred business people near lecturer pointing with hand during conference

Young woman talking to colleagues during seminar near asian lecturer on blurred background

Interracial businessmen working in office near senior asian man on blurred foreground

Mature speaker adjusting headset during seminar with business people on blurred foreground

Back view of business people near african american lecturer pointing with finger during conference

Positive teacher showing okay signs near teenage pupils

Accused man in orange jail uniform standing near bailiff and prosecutor with paper on blurred foreground

Smiling lecturer standing with open arms during conference near participants on blurred foreground