School
School
grey hair professor covering face with book
pensive grey hair professor standing at blackboard with piece of chalk
bored young student sitting at desk during lesson and looking at camera
side view of senior lecturer writing something on blackboard with piece of chalk
senior lecturer holding book and looking away
senior lecturer protecting himself of falling crumpled pieces of paper
senior lecturer looking at crumpled pieces of paper on table
grey hair professor holding piece of chalk and looking at blackboard
senior lecturer holding book and looking away
rear view of senior lecturer writing something on blackboard with piece of chalk
senior lecturer standing between falling crumpled pieces of paper
Pythagorean theorem, math class in the school
Classroom Learning Book Stationary Concept
thoughtful senior lecturer sitting at table with pencil and notebook
grey hair professor pointing on something with pencil on blackboard
side view of grey hair professor drawing with piece of chalk at blackboard
happy senior lecturer holding paper plane in hand
pensive grey hair professor standing at blackboard with piece of chalk
presentation projector in old authentic class auditorium
grey hair professor showing fist to students
grey hair professor working with laptop
Empty lecture hall of University of Freiburg with wooden chairs
senior lecturer biting eyeglasses isolated on white
Students seated at desks focused on their work.
Empty classroom with a single chair and an open book ready for learning
grey hair professor leaning on table and walking stick
senior lecturer pointing on something in lecture room
back view of senior lecturer writing something on blackboard with piece of chalk
