英文關鍵字
africa
african
animal
aquatic
background
bathing
big
bog
calf
closeup
conservation
cub
dangerous
environment
exotic
fat
fauna
group
head
heat
herd
hippo
hippopotamus
kenya
lake
landscape
large
mammal
muzzle
national
natural
nature
pond
reserve
river
savannah
slomo
swim
water
wave
wild
wilderness
wildlife