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  • Viele Schüler schlafen im Unterricht

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  • Schüler schlafen im Unterricht

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  • Schlafende Studenten und wacher Schüler

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  • Woman in audience during business conference in auditorium

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  • Audience sitting in front of stage during business event

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  • Audience sitting in front of panel during business seminar

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  • Dozent schreibt Formeln an Tafel im Unterricht

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  • Lehrerin mit Tablet PC vor ihrer Klasse

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  • Vorlesung im Hörsaal einer Universität

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  • Redner gibt Präsentation bei Business Konferenz

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  • Schüler hören Lehrer an Tafel zu

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  • Girls raising hand during lecture in class

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  • Tired students sitting on bench in classroom

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  • Fleißige Schüler beteiligen sich am Unterricht

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  • Audience sitting in front of panel at convention center

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  • Schüler meldet sich im Unterricht

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  • Gruppe Kinder lesen Kinderbücher

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  • Teacher reading book to schoolkids in class

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  • Teacher pointing at girl leaning on bench

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  • Schüler lösen Puzzle mit Lehrer in Schule

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  • Conference audience listening to a business presentation in a modern event hall

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  • Altenpflegerin hilft Senioren beim Domino spielen

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  • Schoolkids sitting on floor with teacher

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  • Speakers at conference taking questions from audience at business event

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  • Junge Frau hilft Senioren mit Demenz beim Denksport Rätsel

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  • Dozent für Erwachsenenbildung hält Vortrag

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  • Studenten und Dozentin im Unterricht

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  • Male teacher assisting student reading book

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  • Schüler in der Computer Klasse melden sich

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  • Teacher helping student while reading book

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  • Orator asking audience during in business event at auditorium

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  • Parents and two children with long hair

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  • Lehrer liest aus Buch vor im Unterricht

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  • Grandchildren are surfing the Internet using the Tablet PC

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  • Unterricht an Fachhochschule

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  • Geschwister spielen mit dem Tablet Computer

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  • Kinder einer Grundschule im Computer Unterricht

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  • Business professionals discussing over documents and sticky notes during meeting in conference room

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  • Kursleiter gibt Unterricht im Fitnesscenter

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  • Schüler melden sich im Unterricht

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  • Start-Up Business Team am Computer im Büro

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  • Smiling schoolgirl raising hand during lecture

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  • Children stacking books on bench in classroom

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  • Familie mit Kind im Garten vom Haus

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  • Studenten in einer Vorlesung in der Uni

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  • Smiling teacher sitting with students in a bright classroom setting

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  • Large gathering of students attending a lecture in a modern auditorium

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  • Woman as a trainee in a creative workshop

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  • Teacher standing near students reading books

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  • Two boys as friends in class

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  • Schüler im Unterricht antworten auf Fragen

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  • Speakers and doctors discussing in medical conference at auditorium

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  • Laptop computer in elementary school class

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  • Students in classroom using computer

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  • Children enjoying lunch together in a school cafeteria with healthy meals

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  • Schüler lernen mit Computer in Grundschule

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  • Audience discussing during business conference at convention center

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  • Teacher holding book while sitting with students

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  • Kindergärtnerin und Gruppe Kinder mit Knete

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  • Orator asking audience during business conference in auditorium

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  • Student beantwortet Frage im Unterricht

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  • Mutter, Vater und Kinder spielen mit Tablet PC

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  • Teacher crouching by students sitting in class

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  • Familie und Kinder ruhen sich aus nach Umzug

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