英文關鍵字
black
blue
boat
building
business
canal
eco
ecology
energy
factories
factory
grass
grey
holland
industrial
industry
innovation
lake
landscape
manufacturer
noord
panorama
pipes
plant
pollute
pollution
production
products
river
silver
smoke
steel
tank
tower
towers
water
wave
waves
white
wind
work
wormer
zaan
zaandam
zaanstreek