英文關鍵字
air
atmosphere
boat
building
chemical
climate
cloak
clouds
country
dream
ecology
energy
environment
factory
field
fuel
gas
global
heat
industrial
lake
landscape
manufacturing
monk
nature
oil
painting
person
pilgrim
plant
poetic
pollution
power
production
sky
smog
smoke
spiritual
station
steam
surreal
technology
tower
towers
toxic
vapor
warming
waste
wind