activity
adventure
art
botanical
cheerful
child
clipart
colorful
curious
discover
earth
ecological
ecology
education
environment
examining
explorer
exploring
fauna
field
flora
girl
glass
grass
green
growing
happy
hiking
holding
illustration
kid
lawn
learning
little
magnifying
meadow
naturalist
nature
outdoor
outside
phytology
plant
rural
study
summer
surround
trip
walk
world