英文關鍵字
boy
walks
field
hand
wheat
sunset
nature
countryside
harvest
rural
agriculture
farming
outdoors
summer
season
growth
plant
crop
sunlight
landscape
scenic
beauty
peaceful
calm
serene
idyllic
tranquil
adventure
exploration
discovery
childhood
innocence
youth
freedom
joy
happiness
playful
carefree
journey
path
direction
movement
progress
development
environment
ecology
sustainability