英文關鍵字
1080p
1920x1080
activity
animals
aquarium
aquatic
asia
asian
beautiful
blue
color
dark
deep
depths
environment
fish
floating
footage
fresh
freshwater
fullhd
green
hdtv
lake
large
largest
life
motion
moving
muddy
night
pond
river
school
swimming
the
tropical
under
underwater
video
water
wildlife