What's the point in having 3 out of 4 different types/manufacturers of cameras???
Maybe it is a demo wall or developer's test ground.

Google Employee Showing Off Their Surveillance Cameras

Take a <a href="https://twitter.com/Tojiro/status/804376603966832640" target="_blank">look</a>:
<img src="https://ipvm-uploads.s3.amazonaws.com/uploads/1860/e8ec/goog-1.jpg" border="0" alt="" width="466" height="305" style="max-width: 100%; height: auto;" />
<img src="https://ipvm-uploads.s3.amazonaws.com/uploads/830b/b5dd/goog-2.jpg" border="0" alt="" width="465" height="198" style="max-width: 100%; height: auto;" />
Not sure when these cameras were installed or why they are mounted side by side. Also, on Google:&nbsp;<a href="https://ipvm.com/reports/axis-av-google" target="_blank">Axis Boasts Kicking Arecont Out of Google</a>
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