Caucasian mid adult male teacher giving lecture on ecology and environment to students during outdoor lesson in summer park
Experienced teacher teaching Ecology and Environment to diverse first graders in modern classroom
Slowmo of mid adult male school teacher speaking about ecology to group of multiethnic children in classroom and showing them models of windmills
Caucasian male teacher holding windmill model in hands giving outdoor lesson to group of multiethnic students sitting on grass in park on sunny day
Unrecognizable male teacher showing work of windmill model to diverse group of school children during outdoor class in public park on warm sunny day
Medium shot of group of multiracial schoolkids making aircraft models and showing them to Caucasian male teacher during engineering lesson in spacious classroom at daytime
Group of ecology volunteers clearing polluted lake from plastic rubbish in public park. Eco-friendly movement. Environment conservation.
Cropped shot of unrecognizable African American female teacher with smashed plastic bottle in hands giving Ecology and Environment lesson to primary school pupils
Protection of environment concept where group of multiracial different ages people of nature in white t-shirts cleaning the garbage in public park