Vue arrière des gens d'affaires flous près du conférencier pointant de la main pendant la conférence - Photo & image de stock

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

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

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

Back view of blurred businessman asking question to asian speaker during conference

Cheerful middle aged speaker with paper folder talking during business meeting

Attractive businesswoman standing and talking during conference in conference hall

Back view of blurred african american businessman asking question to lecturer with microphone

Selective focus of auctioneer holding gavel and pointing with finger at buyer during auction

Teacher using laptop near blurred students in university

Teacher pointing at chalkboard near blurred interracial students in university

Serious political agitator talking to voters in conference hall, banner

Smiling teacher talking near interracial students with notebooks in university

Mature professor holding chalk near multiethnic students in university

Speaker holding microphone near blurred participants during business conference

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