In the video, a man is seen standing in front of a classroom full of students. He is holding a pair of glasses in his hand and is using them to demonstrate something to the students. The man is wearing a blue shirt and is speaking to the students, who are attentively listening to him. The classroom is well-lit and has a whiteboard and a projector screen in the background. The students are seated at their desks, and there are several other desks and chairs visible in the room. The man appears to be engaging with the students and is likely explaining a concept or giving a lecture. The video captures the interaction between the man and the students, and the students' focus on the man's demonstration.