The image shows a man standing in front of a classroom full of students. He is giving a presentation and is gesturing with his hands as he speaks. The classroom has wooden desks and chairs arranged in rows, and there is a projector screen in the background. On the screen, there is text that reads "Thanks for your attention" and "Rafael Pezzi, CTAV, UFRGS". The man is wearing a brown sweater and appears to be giving a lecture or presentation.