英文關鍵字
clockwork
clock
mechanism
gear
vintage
time
watch
metal
wheel
macro
old
technology
detail
closeup
motion
cog
machine
steel
antique
precision
mechanical
retro
industrial
rotation
machinery
accuracy
part
inside
chronometer
industry
nostalgia
jewelry
science
cogwheel
movement
future
history
design
engine
internal
second
luxury
business
interior
circular
background