Joven profesora con panel solar aprendiendo a sus alumnos sobre la energía solar. - Foto e imagen de stock

Young teacher with solar panel learning her pupils about solar energy.

Young teacher learning her pupils about solar and wind energy.

Young teacher with solar panel learning her pupils about solar energy.

Young teacher with solar panel learning her pupils about solar energy.

Young teacher with solar panel learning her pupils about solar energy.

Young teacher with solar panel learning her pupils about solar energy.

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

Schoolchildren working on robot programming at STEM class

A group of small school kids with teacher sitting in circle in class, using tablet.

A group of small happy school kids with teacher standing in circle in class, planting herbs.

A group of small school kids with teacher sitting at desk in circle in class, learning science.

Happy friends drawing together in the room.

A small tired and bored school boy sitting at the desk in classroom, sleeping.

A group of small nursery school children sitting on floor indoors in classroom, listening to teacher.

A father with three daughters indoors at home, drawing pictures.

A group of small happy school kids with teacher standing at the table in class, planting herbs.