英文關鍵字
river
mountain
riverbed
dryness
sand
aerial
view
pattern
valley
bed
philippines
drought
channel
climate
arid
surface
landscape
summer
rock
luzon
outdoor
parched
tropics
scenic
hill
nature
bucao
dry
water
scenery
desert
natural
stone
environment
tourism
travel
sky
peak
creek
stream
highland
cloud
vacation
drone
top
from
above