Projet d'ingénierie. heureux positif ravi garçon assis avec son grand-père et regardant le plan tout en travaillant avec lui sur un projet - Photo & image de stock

Look at me. Serious mature man wearing glasses while checking his sketch

Difference in technology. Joyful positive grandfather and grandson sitting together and looking at their watches while checking the time

Technological differences. Positive nice cheerful grandfather and grandson sitting together and looking at their watches while comparing their technology

Important project. Attentive teenager bowing head while helping his grandfather with sketch

Our project. Cheerful positive grandfather and grandson sitting together and smiling while working on a drawing

Lets start. Delighted teenager sitting near his grandfather and looking downwards

My helper. Professional smart engineer sitting at the table and looking at the blueprint while working with his grandson

Be attentive. Concentrated bearded man sitting at his workplace while looking at project work

Devoted father. Smart devoted loving father feeling joyful while telling his sons about renewable energy

Home lesson. Nice positive man holding his daughter on his laps while helping her to read

Pleasant lesson. Delighted positive girl smiling while studying with her father

Interacting with father. Little curious dark-haired boy feeling interested and involved in interacting with his foster father

Want to know more. Pleasant pre-teen boy asking his father about his work as an architect, being interested in his recent project of eco-city, while the man telling eagerly

Geometrical figures. Caring loving father helping his smart diligent son drawing geometrical figures

Geometry class. Blonde-haired curious son feeling cheerful while watching his father drawing figures for geometry class

He is so smart. Waist up shot of a joyful senior gentleman grinning broadly while sitting at a table and doing a home assignment with his grandson.