Uomo zenzero attento. Concentrato a pelo corto insegnante barbuto aiutare il suo studente mentre legge tutorial - Foto e immagini stock

Alternative energy engineers pointing to a solar power panel

Instructions on recycling. Attentive ginger teacher pointing on the element on educative poster and asking it meaning

Bearded handsome awesome male architect

Thirst for knowledge. Charming pre-ten boy studying a book dedicated to ecology while looking at the miniatures of trees, solar panels and wind turbines

Attentively inspecting. Involved dark-haired little boy with clear glasses touching models on the table of their teacher

Poster about environment. Smiling dark-haired boy being interested in cognitive project while drawing next to his teacher

Two schoolboys. Two beaming schoolboys speaking about ecology while seating in spacious light living room

Environmental lifestyle. Active smart blonde boy in white t-shirt describing poster about methods of plastic recycling

Two schoolboys. Two beaming schoolboys speaking about ecology while seating in spacious light living room

Cute schoolboys. Two cute pleasant looking schoolboys feeling very busy while completing their home assignment

Joyful studying. Smiling broadly cute handsome pupil feeling simply amazing while enjoying studying ecology

Making wind. Pretty kid with curly hair keeping smile on his face and looking aside while playing with computer

Positive emotions. Handsome smiling male person standing in his office raising left arm while looking forward

Want to help you. Handsome male person keeping smile on his face and turning head to his kid while using ruler for explanations

Good mood. Attractive man-child raising his thumb up and keeping smile on his face while posing on camera

Renewable energy. Merry handicapped woman and colleague smiling and working with alternative energy models