英文關鍵字
above
aerial
aluminum
black
building
business
cars
city
closeup
compressed
conservation
construction
damaged
design
energy
environment
facility
factory
flight
group
high
industrial
industry
iron
japan
junkyard
kong
material
metal
old
pile
plant
production
recycle
recycling
road
sky
stack
stacked
steel
street
technology
transportation
tree
urban
view
waste
wreckage