英文關鍵字
aerial
beams
building
construction
crane
development
forest
frame
ground
industrial
leafless
machine
outdoor
outside
overcast
puddle
real
site
sky
technology
trees
英文關鍵字
aerial
beams
building
construction
crane
development
forest
frame
ground
industrial
leafless
machine
outdoor
outside
overcast
puddle
real
site
sky
technology
trees