英文關鍵字
america
american
arch
arid
beautiful
blue
colorful
desert
dry
elephant
eroded
erosion
fire
formation
geological
geology
landmark
landscape
mojave
mountain
natural
nature
nevada
orange
outdoor
outdoors
panorama
park
red
rock
rocks
sand
sandstone
scenic
sky
state
stone
stripe
stripes
tourism
travel
usa
valley
vibrant
view
wave
wilderness