License plate scanning? Facial recognition? Cell phone tracking? Chemical / radiological sniffing?<p>Sure is odd to have a very public piece of infrastructure get erected over and over and yet not get an explanation about what it is.
I like the conspiracy theory they have nothing into them and it's a cover up for an art project.<p><a href="http://gothamist.com/2017/09/26/towers_mta_gateway_cuomo.php" rel="nofollow">http://gothamist.com/2017/09/26/towers_mta_gateway_cuomo.php</a>