Εναλλακτικές πηγές ενέργειας. Ευχάριστη αρσενικό δάσκαλο χαμογελώντας επισημαίνοντας παράλληλα σε το μοντέλο Ανεμόμυλος - Φωτογραφίες & Εικόνες Αρχείου

Forest keeper. Joyful bearded man talking to young kids while telling them about windmills

Friendly teacher. Delighted bearded man sitting in the circle of children while telling them about environment

On the excursion. Delighted curious children listening to their teacher while being with him in the forest

So active. Positive active children looking at their teacher while participating in the discussion

Smart kids. Joyful smart children raising their hands up while wanting to answer the question

Excursion to the forest. Delighted positive teacher holding a tree branch while being with his pupils in the forest

School teacher. Joyful positive teacher holding a tree branch while talking to his pupils

Curious pupil. Cute pretty girl holding a special device in her hands while asking her teacher about it

Interesting activity. Involved attentive primary school children with magnifying glass exploring map on green lawn in park on fine day

Our environment. Nice positive young boys looking at each other and working together while collecting rubbish

Discovery. Attentive curly-haired boy with magnifying glass looking intently at tree trunk and two surprised girls

Drawing on asphalt. Focused young friends drawing with crayons on road in green park on sunny day

Childhood. Cheerful smiling boys and girls communicating playing with soap bubbles on green lawn in park on summer day

Cognition. Boy in green tshirt and shorts with red binoculars and involved friends near map on green lawn on sunny day

Rush. Hurrying energetic cheerful girl and primary school age boy running emotional in green park on fine afternoon

Young helper. Positive cute nice boy taking a bottle and smiling while cleaning the garbage