J'avais oublié le concept du temps. Homme avec barbe et moustache sur le visage choqué en classe. Hipster barbu tient horloge, tableau en arrière-plan, espace de copie. Professeur dans les lunettes tient réveil . - Photo & image de stock

Forgot about time concept. Man with beard and mustache on shocked face in classroom. Bearded hipster holds clock, chalkboard on background, copy space. Teacher in eyeglasses holds alarm clock.

Forgot about time concept. Man with beard and mustache on shocked face in classroom. Teacher in eyeglasses holds alarm clock. Bearded hipster holds clock, chalkboard on background, copy space.

Teacher in eyeglasses holds alarm clock and pen. Discipline concept. Bearded hipster holds clock, chalkboard on background. Man with beard and mustache on strict face stands in classroom.

Teacher in eyeglasses holds alarm clock. Schedule and regime concept. Man with beard and mustache on confused face expression in classroom. Bearded hipster holds clock, chalkboard on background.

Teacher in eyeglasses holds alarm clock and pen. Discipline concept. Man with beard and mustache on strict face stands in classroom. Bearded hipster holds clock, chalkboard on background.

School schedule concept. Man with beard and mustache on calm face stand in classroom. Bearded hipster holds clock, chalkboard on background, copy space. Teacher in eyeglasses holds alarm clock.

Intellectual task concept. Man with beard and mustache on thoughtful face stand in front of chalkboard. Bearded hipster in shirt, chalkboard on background. Guy thinking with thoughtful expression.

Teacher in eyeglasses holds alarm clock and pen. Discipline concept. Man with beard and mustache on strict face stands in classroom. Bearded hipster holds clock, chalkboard on background.

Bearded hipster holds book, chalkboard on background. Teacher in eyeglasses recommends book, thumbs up. Recommendation concept. Man with beard and mustache on serious face stand in front of chalkboard

Coffee break concept. Man with beard on happy face in classroom. Teacher in eyeglasses holds book and mug of coffee or tea. Scientist holds book and mug of coffee, chalkboard on background, copy space

Announcement concept. Man with beard stand in front of chalkboard, rear view. Guy busy with writing on chalkboard surface. Bearded hipster in shirt writing on chalkboard, copy space.

Teacher in eyeglasses holds alarm clock. Man with beard and mustache on angry shouting face looks at clock. School bell concept. Bearded hipster holds clock, chalkboard on background, copy space.

Schedule and regime concept. Bearded hipster holds clock, chalkboard on background, copy space. Man with beard on shouting face on arguing expression. Teacher in eyeglasses holds alarm clock.