英文關鍵字
architecture
background
barrage
blue
bridge
building
canal
concrete
control
dam
flood
floodgate
gate
industrial
infrastructure
landscape
nature
north
outdoor
prevention
river
sea
sky
sluice
structure
technology
travel
view
water
英文關鍵字
architecture
background
barrage
blue
bridge
building
canal
concrete
control
dam
flood
floodgate
gate
industrial
infrastructure
landscape
nature
north
outdoor
prevention
river
sea
sky
sluice
structure
technology
travel
view
water