英文關鍵字
belchatow
carbon
chimney
clean
clouds
construction
contamination
dusk
east
ecology
emissions
energy
engineering
environment
europe
factory
global
horizon
industrial
industry
innovation
lake
manufacturing
petrochemical
plant
poland
polish
pollution
power
production
reflection
reflexion
sky
smoke
steam
sun
sunlight
sunset
technology
twilight
water