sewage treatment plant
beige
big and small
black
blue
brown
champagne coloured
closeup
color image
colors
communication
dark
dark border
flowing
flowing water
focus
freshwater
gray
green
horizontal
image
image created 2000s
image created 21st century
image date
large
liquid
macro
medium shot
no people
outdoors
photographic effect
pipe
pipeline
river
sewer
small
stream
tube
two objects
vignette
water
water pipe
waterfall
white
yellow