英文關鍵字
agricultural
agriculture
building
canal
channel
classic
close
closeup
country
countryside
dutch
energy
fast
functioning
gust
harness
holland
industry
inside
kinderdijk
landscape
lowlands
machine
many
medieval
mill
netherlands
old
plain
power
rotate
rotation
rural
sail
spin
structure
summer
technology
traditional
turn
turning
view
vintage
weather
wind
windmill
windy
wooden