defocused image of audience at the conference hall. conference and presentation. business and entrepreneurship. faculty lecture and workshop. audience in the lecture hall. participants making notes.

speaker giving a talk on scientific conference. audience at the conference hall. business and entrepreneurship concept.

国学讲堂老建筑，中国山东省济南市大明湖公园内民国时期建筑

female speaker giving presentation in lecture hall at university workshop. audience in conference hall. rear view of unrecognized participant in audience. scientific conference event.

教师节学生向老师献花矢量分层插画

empty defocused university classroom. blurred school classroom without students with empty chairs and tables. business conference room

back view of mature professor giving lecture to large group of college students in the classroom.

大学教室室内场景/教育培训概念

in the classroom multi ethnic students listening to a lecturer and writing in notebooks. smart young people study at the college.

speaker giving a talk in conference hall at business event. rear view of unrecognizable people in audience at the conference hall. business and entrepreneurship concept

public speaker giving talk at business event.

business and entrepreneurship symposium. speaker giving a talk at business meeting. audience in conference hall. rear view of unrecognized participant in audience.

微距小人国科创板证券交易金币放大镜分析概念

speaker giving a talk in conference hall at business event. rear view of unrecognizable people in audience at the conference hall. business and entrepreneurship concept.

elegant teacher with students sitting at the college lecture hall

female speaker giving presentation in lecture hall at university workshop . participants listening to lecture and making notes. scientific conference event.

中国河南省登封市嵩阳书院先圣殿

motivational speaker with headset performing on stage

中国河南省登封市嵩阳书院中式建筑

桌面上三个人利用网络进行搜索教育概念

speaker giving a talk on corporate business conference. audience at the conference hall. business and entrepreneurship event.

interior of stylish lecture hall with brown walls, concrete floor, rows of desks with brown chairs and dark wooden lecturers table. 3d rendering

back view of student raising her hand to answer teacher's question during education training class. 

happy female student learning during adult educational training class in lecture hall and looking at camera. 

large conference room for presentations and lectures

cheerful young men and women are working with laptop looking and pointing at screen, talking and laughing sitting at desks in university lecture hall. students and technology concept.

中国广州农讲所番禺学宫明伦堂古建筑

confident man speaker talking before audience at business conference vector illustration. successful businessman character, teacher giving speech on stage at international forum

中国广东茶山古社村落非遗大讲堂外景

speaker on stage for conference event. 3d rendering. 3d illustration.

中国河南省登封市嵩阳书院中式古建筑

lecture chairs in a class room with stair path in the middle of a class

her education is important to her. portrait of a university student in a lecture hall.

urbex, old abandoned lecture hall somewhere in belgium.

rear view of students raising hands with teacher in college lecture hall

student lecture hall. university auditorium with teacher back and students front view, course participants, higher education, young people in college vector cartoon flat

microphone over the abstract blurred photo of conference hall or seminar room background

empty seats in new modern clean lecture hall or classroom

conference hall thin line icon. conference, speech linear icons from user interface concept isolated outline sign. vector illustration symbol element for web design and apps.

students at lecture in university vector scene

handsome hispanic student uses laptop while listening to a lecture at the university, he raises hand and asks lecturer a question. multi ethnic group of modern bright students.

smiling african american senior man attending a class in lecture hall and looking at camera.

university lecture hall with teacher at pulpit and multiracial students. concept of education, public seminar, international conference. vector flat illustration of classroom with speaker and audience

microphone voice speaker in business seminar, speech presentation, town hall meeting, lecture hall or conference room in corporate or community event for host or townhall public hearing

wide angle shot of a university classroom with rows of chairs and desks

audience at the conference hall. speaker giving a talk on corporate business conference. business and entrepreneurship event.

round table discussion at business and entrepreneurship workshop. audience at the conference hall. presentation in lecture hall at university. participants listening to lecture and making notes.

speaker on the stage with rear view of audience in the conference hall or seminar meeting, business and education concept

interior of conference room with chairs and microphones. interior of empty hall with grey and red arm-chairs

a young female student is carefully recording a lecture by a school teacher

empty lecture and conference hall in university.interior meeting room.

speaker at business workshop and presentation. audience at the conference room.

back view of audience listening speakers in the conference hall or seminar meeting, business and education about investment concept

students in lecture hall. university auditorium with teacher back and students front view, course participants, higher education, young characters studying in college. cartoon vector illustration

lecture hall with red seats for thousand students. on the stage desks for teachers

professor giving presentation in lecture hall at university. participants listening to lecture and making notes.

students in lecture hall. learning process in university, students and teacher in auditorium, professor in seminar, education vector studying concept

kids in school writing and taking notes, teens pupils behind desks during the lesson listen to teacher lecture, classroom with students and classmates, group of teenagers during test and exam

mid adult woman studying with help of african american teacher during educational class in lecture hall.

wide angle view of an empty auditorium 3d rendering

conference and presentation. audience at the conference hall. business and entrepreneurship. faculty lecture and workshop. audience at the lecture hall. academic education. student making notes.

students taking an active part in a lesson while sitting in a lecture hall

students in the lecture hall. students of different nations listen to the lecture of the teacher

banner of abstract blurred photo of conference hall or seminar room with attendee background

happy african american professor receives applause from her students while lecturing them in the classroom.

audience at the conference hall. speaker giving a talk in conference hall at business event. business and entrepreneurship concept. lens focus on people in audience from rear.

workshop at university. rear view of students sitting and listening in lecture hall doing practical tasks on their laptops.

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