wind power
風力
child
childhood
climate
climate change
day
ecology
ecosystem
electricity
energy
environment
environmental conservation
environmental issues
field
freedom
girl
global
grass
green color
green technology
growth
happiness
kid
little
meadow
model object
nature
one person
outdoor
person
plant
power
preschool age
renewable energy
sky
smile
smiling
social issues
springtime
summer
sunset
sustainable energy
sustainable lifestyle
sustainable resources
technology
turbine
wind
wind turbine
windmill
youth
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