英文關鍵字
adventure
ancient
atoll
canyon
cliffs
climate
columns
conglomerate
discovery
environment
eroded
erosion
exploration
extreme
fauna
forest
fossils
geology
hike
jurassic
land
landscape
layers
limestone
motion
mountain
natural
nature
outdoor
peak
plant
reserve
rock
sand
sandstone
scenic
sea
seabed
seafloor
sedimentary
sky
stone
terrain
tranquility
travel
tree
valley
vertical
wall
wild
wilderness
wind