Diversas hembras en tallo - Fotografía de stock

Teacher with a group of university students, in a laboratory classroom. The instructor is considering one of the students work, the mood is light hearted and positive. Other classmates are discussing things with each other. This is a realistic teaching scenario, with candid expressions. This is a multi-ethnic group of women. In the background there is a white board with mathematical formula written on it. All ladies are wearing id tags.