Royalty-Free Lecture Photos, orientation: horizontal

3000x2000

closeup photography of black microphone

Public Domain
6014x4014

dry erase board in front of table

Public Domain
2846x2033

white screen projector classroom

Public Domain
5472x3648

people sitting on chair

Public Domain
2048x1536

photo of class

Public Domain
7040x2344

group of people having a meeting

Public Domain
3190x2392

group of people listening on convention

Public Domain
3269x2181

brown wooden armchairs during daytime

Public Domain
6014x4015

photography of brown and gray rolling chairs inside room during daytime

Public Domain
2889x2063

brown lectern

Public Domain
3543x2362

two yellow and blue parrots on tree branch

Public Domain
3088x2056

man in white dress shirt

Public Domain
2247x1681

cardboard people illustration

Public Domain
2784x1848

photo of students jotting down notes during class

Public Domain
4256x2832

man wearing black suit jacket

Public Domain
4763x3155

auditorium, chair, floor, seating, seat, aisle

Public Domain
2840x2030

chair with desk inside room

Public Domain
5184x3456

people on a meeting

Public Domain
5184x3456

three person sitting on chairs beside desks

Public Domain
5407x3605

Woman reading a magazine outdoors

Public Domain
6410x2528

blue theater chairs

Public Domain
2902x2073

brown wooden armchair lot

Public Domain
2000x1323

gray scale photography of man sitting on sofa

Public Domain
8000x2991

man wearing blue shawl lapel suit jacket

Public Domain
5795x2669

one against all, all against one, discussion, symbolic, game characters, wood

Public Domain
5184x3456

man wearing black formal suit while holding gray laptop computer

Public Domain
3065x2043

white school desk with stainless steel base and blue padded armchairs

Public Domain
2846x1897

School classroom with tables and chairs

Public Domain
3264x2448

beige wooden conference table set

Public Domain
2811x2007

yellow chair and stage

Public Domain