英文關鍵字
africa
beautiful
beauty
bush
cascade
destination
drop
earth
energy
environment
fall
famous
flow
flowing
forest
fresh
green
landmark
landscape
namibia
national
natural
nature
outdoor
outside
park
popa
powerful
rafting
rapid
river
roar
rock
savanna
scenery
scenic
season
splash
spray
stream
tourism
travel
tropic
tropical
water
waterfall
wild
wilderness
wildlife