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You can document them in OpenStretMap
https://wiki.openstreetmap.org/wiki/Tag:man_made%3DsurveillanceAnd see a map on https://sunders.uber.space/
2 0 Reply
You can document them in OpenStretMap
https://wiki.openstreetmap.org/wiki/Tag:man_made%3Dsurveillance
And see a map on https://sunders.uber.space/