I came across this mesmerizing sight in Southeast False Creek a couple of nights ago. The silent alarm of a yet-to-be-occupied residential building on 2nd Avenue at Cook went off for what seemed like hours watching it. In this 45 second clip I got of it you can see the security guard (bottom right) casually donning a high-vis vest getting ready to investigate what ended up being a false alarm.
http://www.youtube.com/watch?v=lwvua4d0o38
That's all.