英文關鍵字
background
barren
bars
baskunchak
block
brine
clear
closeup
covered
crystal
crystals
desert
details
grooved
heavy
industry
infrastructure
iron
lake
metal
mineral
nature
nobody
pattern
pile
rail
railroad
railway
red
roadbed
rotten
rusty
salinity
salt
sea
sleepers
stack
steel
texture
track
train
tram
transport
transportation
water
white
wood