Siedząc w pobliżu przyjaciół. Dark-Skinned nastolatek siedzi na laptopie w pobliżu jego przyjaciół podczas studiów ekologii - Zdjęcie stockowe & obraz

Joining group mate. Two dark-skinned friends joining their group mate while preparing project in ecology

Models of windmills. Three smart students looking at models of windmills while studying ecology

Project together. Company of three smart teenagers preparing ecology project in ecology together

Windmill models. Diligent students smiling while looking at windmill models and studying

Diligent students. Three cheerful diligent students using laptop and phone while preparing project together

Doing homework together. Three diligent and motivated students talking while doing homework together

Students studying. Three diligent students studying natural sources of energy while preparing project

Best sample. Upbeat young teacher showing a tree model to her students and talking about the phenomenon of photosynthesis while smiling

Public speaking. Smiling boy standing in front of his laughing friends with school timetable in his hands.

New language. Two girls and a boy learning chinese language sitting at the school desk with a workbook.

Time management. Four pupils sitting at the desk in the classroom and discussing their new school timetable.

Process. Young teacher teaching other children while standing next to the board