英文關鍵字
air
aluminium
arena
backstage
big
cable
chain
concert
connected
construction
dark
day
daylight
dome
entertainment
event
festival
fitting
grey
hand
holding
hook
industry
installation
loop
males
massive
mature
metallic
openair
outdoor
outside
performance
preparation
safety
stage
steel
street
structures
substructure
technical
thick
together
tower
urban