英文關鍵字
rain
drain
rainwater
runoff
ditch
channel
park
irrigation
road
water
trickle
creek
flooded
drainage
running
canal
construction
sewerage
flow
flowing
ground
people
concrete
waterway
field
nature
stream
outdoors
river
weather
outdoor
rainy
street
ecology
ripple
sewage
background
closeup
cold
pouring
landscape
city
motion
nobody
outside
urban
tunnel
conduit