passing around papers in a lecture theater - crowded lecture hall stock videos & royalty-free footage00:29
technical university munich -lecture hall - crowded lecture hall stock videos & royalty-free footage00:11
time lapse business people arriving and sitting in audience at conference event - crowded lecture hall stock videos & royalty-free footage00:06
nurses, doctors, and medical students listening to speaker at healthcare conference - crowded lecture hall stock videos & royalty-free footage00:11
successful well dressed man giving public presentation on stage in front of audience - crowded lecture hall stock videos & royalty-free footage00:19
technical university munich -lecture hall - crowded lecture hall stock videos & royalty-free footage00:20
technical university munich -lecture hall - crowded lecture hall stock videos & royalty-free footage00:17
university lecture hall students listening - crowded lecture hall stock videos & royalty-free footage00:29
media studies student speaks in lecture room - crowded lecture hall stock videos & royalty-free footage00:30
doctor speaking to group of hospital staff during healthcare conference - crowded lecture hall stock videos & royalty-free footage00:07
group of attendees clapping hands during a seminar in a room with large windows. - crowded lecture hall stock videos & royalty-free footage00:14
university lecture hall students listening - crowded lecture hall stock videos & royalty-free footage00:29
female speaker giving a speech on corporate business conference - crowded lecture hall stock videos & royalty-free footage00:22
technical university munich -lecture hall - crowded lecture hall stock videos & royalty-free footage00:25
passing around papers in a lecture theater - crowded lecture hall stock videos & royalty-free footage00:29
female speaker at business conference giving public presentations on stage in front of audience - crowded lecture hall stock videos & royalty-free footage00:30
chicago, il, u.s. - scenes from chicago public school during event with chance the rapper’s new coding project, on monday, decemder 9, 2019. - crowded lecture hall stock videos & royalty-free footage00:49
1925 well dressed patrons crowd dinosaur exhibit to fill lecture hall for speech - crowded lecture hall stock videos & royalty-free footage01:05
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public speaker giving a talk about diversity in workplace - crowded lecture hall stock videos & royalty-free footage00:18
chicago, il, u.s. - scenes from chicago public school during event with chance the rapper’s new coding project, on monday, decemder 9, 2019. - crowded lecture hall stock videos & royalty-free footage00:48
chicago, il, u.s. - scenes from chicago public school during event with chance the rapper’s new coding project, on monday, decemder 9, 2019. - crowded lecture hall stock videos & royalty-free footage00:40
1925 disgruntled lecture hall audience attack fleeing presenter - crowded lecture hall stock videos & royalty-free footage00:25
1925 lecture hall audience applaud as man questions eccentric speaker - crowded lecture hall stock videos & royalty-free footage00:29
1925 lecture hall audience question bearded eccentric speaker - crowded lecture hall stock videos & royalty-free footage00:49
1925 bearded eccentric man escapes disgruntled crowd by car - crowded lecture hall stock videos & royalty-free footage01:37
general election campaign: labour party: kinnock; naf in the air int aircraft tcms side labour party ldr neil kinnock reading cms side ditto tcbv... - crowded lecture hall stock videos & royalty-free footage01:01
4k video of people on conference applauding - crowded lecture hall stock videos & royalty-free footage00:11
4k video of people on conference applauding - crowded lecture hall stock videos & royalty-free footage00:14
4k video of people on conference applauding - crowded lecture hall stock videos & royalty-free footage00:08
4k video of people on conference applauding - crowded lecture hall stock videos & royalty-free footage00:13
british, canadian and us troops land on 100-mile beach front / montage of allied ships algiers harbor, in convoy / deck of ship full of soldiers /... - crowded lecture hall stock videos & royalty-free footage02:10
nurse bends over little girl as both smile; nurse pulls girl's sleeve down and girl looks at camera, smiling / woman leads line of children into room... - crowded lecture hall stock videos & royalty-free footage01:04
back to school - background (loopable) - crowded lecture hall stock videos & royalty-free footage00:22
divesre business peoples meeting in seminar business - crowded lecture hall stock videos & royalty-free footage00:11
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senior businessman motivational speaker engages large crowd at corporate conference | leadership and success inspiration. - crowded lecture hall stock videos & royalty-free footage00:09
focused woman typing on a laptop in front of a conference hall - crowded lecture hall stock videos & royalty-free footage00:10
person writting on and handing in a conference badge to a conference attendee - crowded lecture hall stock videos & royalty-free footage00:10
woman getting her id checked before going for a lecture in a conference - crowded lecture hall stock videos & royalty-free footage00:13
man getting her id checked before going for a lecture in a conference - crowded lecture hall stock videos & royalty-free footage00:18
woman checking people's id before giving an id badge for conference attendees - crowded lecture hall stock videos & royalty-free footage00:20
group of adult students arrive to lecture hall for class - crowded lecture hall stock videos & royalty-free footage00:17
group of adult students arrive to lecture hall for class - crowded lecture hall stock videos & royalty-free footage00:12
group of adult students arrive to lecture hall for class - crowded lecture hall stock videos & royalty-free footage00:12
group of adult students arrive to lecture hall for class - crowded lecture hall stock videos & royalty-free footage00:20
group of adult students arrive to lecture hall for class - crowded lecture hall stock videos & royalty-free footage00:13
group of adult students arrive to lecture hall for class - crowded lecture hall stock videos & royalty-free footage00:13
group of adult students arrive to lecture hall for class - crowded lecture hall stock videos & royalty-free footage00:14
the philippines' 'critical brain drain' as nurses leave their home country for jobs abroad; philippines: manila: int various of student nurses being... - crowded lecture hall stock videos & royalty-free footage02:13
delivering an informative presentation about innovation in sustainability - crowded lecture hall stock videos & royalty-free footage00:14
successful male speaker gets on stage, greets audience and does presentation of the innovation in sustainability - crowded lecture hall stock videos & royalty-free footage00:30
senior executive giving a presentation to audience on a business conference - crowded lecture hall stock videos & royalty-free footage00:09
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young executive holding a speech on a business conference in front of audience - crowded lecture hall stock videos & royalty-free footage00:16
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female executive giving a talk on a corporate business conference - crowded lecture hall stock videos & royalty-free footage00:35
successful businesswoman coming on stage to give a presentation - crowded lecture hall stock videos & royalty-free footage00:29
chicago, il, u.s. - scenes from chicago public school during event with chance the rapper’s new coding project, on monday, decemder 9, 2019. - crowded lecture hall stock videos & royalty-free footage00:38