英文關鍵字
fish
river
canyon
namibia
africa
aerial
drone
shot
landscape
largest
worlds
second
biggest
161
long
wide
550m
deep
kalahari
rock
mountains
sightseeing
outdoors
crack
sunny
global
tourist
heat
land
african
great
weathered
erosion
horizon
rocks
landmark
national
sand
blue
wilderness
natural
hot
arid
drought
valley
mountain
park
desolate
namib
scenery
sky
gorge
dry
travel
scenic
view
desert
nature