英文關鍵字
1080
1080p
1920x1080
air
beach
bottle
city
clean
clip
coast
coastline
conservation
conserved
contaminate
contamination
damage
danger
dangerous
debris
dirt
dirty
discarded
ecology
environment
environmental
footage
format
garbage
greenish
ground
litter
material
ocean
plastic
pollute
polluted
pollution
refuse
river
rotting
rubbish
sea
smell
stream
trash
unhealthy
video
waste
water