312
afforestation
arbor day
beginning of spring
caring for the environment
cartoon
characters
ching ming festival
earth
ecology
environment
environmental protection
family
festivals
flower pots
flowers
grassland
green
greening
hands
hard work
illustration
kettle
labor
labor day
nature
outdoors
outing
plants
posters
protection
rain
saplings
scenery
shovel
spring
stung
swallows
tree planting
trees
vernal equinox
watering
work