blur
building
business
cam
camera
cctv
circuit
city
control
crime
criminality
danger
detection
digital
electronic
equipment
guard
house
industry
information
lamp
lens
modern
monitor
monitoring
observe
old
outdoor
overhead
privacy
private
property
protection
record
safe
safety
secure
security
sensor
sky
spy
street
surveillance
system
technology
urban
video
view
watch
white
定額
Surveillance cameras installed on a lamppost near a multi-storey building. security cctv camera. Security in the city. Hidden filming of what is happening. Modern technologies and equipmentの素材 [FY310186790431]
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