英文關鍵字
aged
agriculture
botany
care
countryside
earth
eco
ecology
ecosystem
elderly
energy
environment
environmental
forest
fresh
garden
gardener
gardening
global
hand
healthy
leisure
lifestyle
male
man
motion
natural
nature
old
outdoors
park
parkland
peace
peaceful
pensioner
planet
plant
plantation
power
preservation
protection
recreation
rest
retired
senior
slow
slowmotion
stroking
tranquility
tree