Zukünftiger Architekt. Angenehmer kleiner Junge sitzt neben seinem Bruder am Arbeitsplatz seines Vaters und zeichnet lächelnd Windräder in sein Notizbuch - Stockfoto & -bild

Interesting book. Pleasant pre-teen boys reading the book about ecology for their school project while one of the boys making notes in his notebook

Interesting information. Pleasant upbeat father pointing at the wind turbine models standing on his table and discussing their construction with his curious sons

Future of engineering. Upbeat pre-teen boys sitting at the table together and drawing the sketches of wind turbines standing on the table while smiling

Smart tutor. Smart open-minded tutor telling his attentive pupils about windmills and ecological issues

Interested in science. Curious pre-teen boy sitting at the table in the office of their father and examining wind turbines before drawing them

Young teacher with model of wind turbine learning her pupils about wind energy.

Young teacher with model of wind turbine learning her pupils about wind energy.

Adult discussion. Charming young man sitting at the table with his sons and discussing with them the advantages of wind turbines while pointing at them

Little music lover. Very attentive young male person sitting on the workplace of his father looking downwards while drawing picture

Visiting ecology classes. Bearded teacher in clear glasses helping his young students while they creating colorful poster

Filling trash bean. Pleasant blonde boy carrying box with plastic bottle after sorting and dark-haired friend helping him

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

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

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

Let me think. Attractive man-child wearing headphones on the head and looking aside while keeping mouth opened

Just relax. Attractive blonde boy pressing lips while looking downwards and drawing picture