Тренировочная книга. Умный блондин-школьник чувствует себя очень занятым, держа учебник по экологии. - Стоковое фото и изображение

Diligent student. Pleasant pre-teen boy sitting at the table full of models of alternative sources of energy and reading the corresponding section in his ecology book

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

Diligent pupil. Dark-haired diligent pupil feeling curious while reading interesting ecology book attentively

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

The way it works. Competent man sitting near his son talking to him while actively gesticulating

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

Discussing ecology. Curious young student carrying plastic example of a tree and attentively inspecting it

Cognitive lessons . Curious dark-haired boy holding white plastic house while observing example of windmill infrastructure

Keep silent. Attentive professional bowing head above his project while drawing additional lines and changing the concept

Engineer in action. Attentive lively sincere child looking excited and asking questions while her mom telling her about their recent project

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

Just blow. Great inspired extraordinary mom explaining her child how wind turbines working while suggesting they running a little experiment

Imparting knowledge. Mindful father sitting next to his curious daughter and chatting with her about wind turbine models decorating his table while working on a new project.

Eco engineering. Positive professional engineer standing with blueprint in hands in the office while models of wind turbines standing on the table

Wind force. Talented ambitious gorgeous woman working for engineering company and showing her child their new project while explaining how wind turbines working

Lets express our ideas. Selective focus of wind turbine models standing on the table while professional engineers discussing project in the backgorund