英文關鍵字
habitat
ecosystem
great
barrier
reef
australia
coral
bleach
global
warming
undersea
landscape
travel
fish
blue
environment
underwater
scene
whitsundays
bleaching
nature
wildlife
marine
life
world
heritage
snorkeling
dive
vacation
tropic
sea
turquoise
dead
color
colorful
climate
change
white
carbon
dioxide
acidic